Miniature & Instrument Bearings

MINIATURE BEARINGS
Manufacturers’ Part Number Interchange



The following is a miniature bearing interchange guide for National Precision Bearing's top miniature bearing manufacturers, including NMB, NHBB, EZO, Myonic, MPB, Barden and GRW.

These charts are intended as a reference only. Users should consult with the listed manufacturers' catalogs to establish dimensional interchangeability. Ball complements and load ratings may differ although dimensionally equivalent. NPB cannot be held responsible for any errors contained herein.

INCH SERIES

METRIC L SERIES

METRIC R SERIES

INCH SERIES | RADIAL OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB MPB Myonic BARDEN OLD NHBB GRW EZO/SPB NSK PKB
SSRI2 SR09 SSRI2 DDRI2 S2C UL1304X SR09 SR09 SS1016 SR09 SR09 SR09
SSRI21/2 SR0 SSRI21/2 DDRI21/2 S21/2C UL1505X SR0 SR0 SS1191 SR0 SR0 SR0
SSRI3 SR1 SSRI3 DDRI3 S3C R1706X SR1 SR1 SS1397 SR1 SR1 SR1
SSRI4 SR14 SSRI4 DDRI4 S4C R2508X SR14 SR14 SS5/64 SR1-4 SR1-4 SR1-4
SSRI3332 SR133 SSRI3332 DDRI3332 S3332C UL3006X SR133 SR133 SS2380 SR133 SR133 SR133
SSRI5 SR15 SSRI5 DDRI5 S5C R3010X SR15 SR15 SS3/32 SR1-5 SR1-5 SR1-5
SSRI418 SR144 SSRI418 DDRI418 S418C UL4008X SR144 SR144 SS3175 SR144 SR144 SR144
SSRI518 SR25 SSRI518 DDRI518 S518C R4010X SR25 SR25 SS1/8A SR2-5 SR2-5 SR2-5
SSRI618 SR26 SSRI618 DDRI618 S618C - SR26 SR26 SS1/8A/6 SR2-6 SR2-6 SR2-6
SSR2 SR2 SSR2 DDR2 SR2C R4012X SR2 SR2 SS1/8B SR2 SR2 SR2
SSR2A SR2A SSR2A DDR2A SR2AC - SR2A SR2A SS1/8B/083 SR2A SR2A SR2A
SSRI5532 SR155 SSRI5532 DDRI5532 S5532C UL5010X SR155 SR155 SS3967 SR155 SR155 SR155
SSRI5632 SR156 SSRI5632 DDRI5632 S5632C UL6010X SR156 SR156 SS4763A SR156 SR156 SR156
SSRI6632 SR166 SSRI6632 DDRI6632 S6316C UL6012X SR166 SR166 SS4763B SR166 SR166 SR166
SSR3 SR3 SSR3 DDR3 SR3R R6016X SR3 SR3 SS3/16 SR3 SR3 SR3
SSRI614 SR168 SSRI614 DDRI614 S614C UL8012X SR168 SR168 SS6350A SR168 SR168 SR168
SSRI814 SR188 SSRI814 DDRI814 S814C UL8016X SR188 SR188 SS6350B SR188 SR188 SR188
SSR4 SR4 SSR4 DDR4 SR4C R8020X SR4 SR4 SS1/4A SR4 SR4 SR4
SSRI1214 SR4A SSRI1214 DDRI1214 SR4AR - SR4A SR4A SS1/4 SR4A SR4A SR4A
SSRI8516 SR1810 SSRI8516 DDRI8516 S8516R UL10016X SR1810 SR1810 SS7938 SR1810 SR1810 SR1810
SSRI1038 SR620 - - - - - - - - - -
SSRI1438 SR6 SSRI1438 DDRI1438 SR6R R12028X SR6 SR6 SS3/8 SR6 SR6 SR6
SSRI1212 SR824 SSRI1212 DDRI1212 S812 - SR1216 SR824 - - - -
SSRI1412 SR6-5 SSRI1412 DDRI1412 - - - SR6-5 - SR6-5 - -
SSRI1458 SR1028 SSRI1458 DDRI1458 S1014 - SR1420 SR1028 - - - -
SSRI1634 SR1232 SSRI1634 DDRI1634 S1216 - SR1624 SR1232 - - - -
SSRI1812 SR8 SSRI1812 DDRI1812 SR8R - SR8 SR8 SS1/2 SR8 SR8 -
INCH SERIES | RADIAL FLANGED OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB MPB Myonic BARDEN OLD NHBB GRW EZO/SPB NSK PKB
SSRIF2 SFR09 SSRIF2 DDRIF2 S2FC ULK1304X SFR09 SFR09 - - - -
SSRIF21/2 SFR0 SSRIF21/2 DDRIF21/2 S21/2FC ULK1505X SFR0 SFR0 SSF1191 SFR0 SFR0 SFR0
SSRIF3 SFR1 SSRIF3 DDRIF3 S3FC RK1706X SFR1 SFR1 SSF1397 SFR1 SFR1 SFR1
SSRIF4 SFR14 SSRIF4 DDRIF4 S4FC RK2508X SFR14 SFR14 SSF5/64 SFR1-4 SFR1-4 SFR1-4
SSRIF3332 SFR133 SSRIF3332 DDRIF3332 S3332FC ULK3006X SFR133 SFR133 SSF2380 SFR133 SFR133 SFR133
SSRIF5 SFR15 SSRIF5 DDRIF5 S5FC RK3010X SFR15 SFR15 SSF3/32 SFR1-5 SFR1-5 SFR1-5
SSRIF418 SFR144 SSRIF418 DDRIF418 S418FC ULK4008X SFR144 SFR144 SSF3175 SFR144 SFR144 SFR144
SSRIF518 SFR25 SSRIF518 DDRIF518 S518FC RK4010X SFR25 SFR25 SSF1/8A SFR2-5 SFR2-5 SFR2-5
SSRIF618 SFR26 SSRIF618 DDRIF618 S618FC - SFR26 SFR26 SSF1/8A/6 SFR2-6 SFR2-6 SFR2-6
SSRF2 SFR2 SSRF2 DDRF2 SR2FC RK4012X SFR2 SFR2 SSF1/8B SFR2 SFR2 SFR2
SSRIF5532 SFR155 SSRIF5532 DDRIF5532 S5532FC ULK5010X SFR155 SFR155 SSF3967 SFR155 SFR155 SFR155
SSRIF5632 SFR156 SSRIF5632 DDRIF5632 S5632FC ULK6010X SFR156 SFR156 SSF4763A SFR156 SFR156 SFR156
SSRIF6632 SFR166 SSRIF6632 DDRIF6632 S6316FC ULK6012X SFR166 SFR166 SSF4763B SFR166 SFR166 SFR166
SSRF3 SFR3 SSRF3 DDRF3 SR3FC RK6016X SFR3X3 SFR3 SSF3/16 SFR3 SFR3 SFR3
SSRIF614 SFR168 SSRIF614 DDRIF614 S614FC ULK8012X SFR168 SFR168 SSF6350A SFR168 SFR168 SFR168
SSRIF814 SFR188 SSRIF814 DDRIF814 S814FC ULK8016X SFR188 SFR188 SSF6350B SFR188 SFR188 SFR188
SSRF4 SFR4 SSRF4 DDRF4 SR4FC RK8020X SFR4 SFR4 SSF1/4A SFR4 SFR4 SFR4
SSRIF8516 SFR1810 SSRIF8516 DDRIF8516 S8516FC ULK10016X SFR1810 SFR1810 SSF7938 SFR1810 SFR1810 SFR1810
SSRIF1438 SFR6 SSRIF1438 DDRIF1438 SR6FR RK12028X SFR6X5 SFR6D SSF3/8 SFR6 SFR6 SFR6
SSRIF1812 - - - - - - - - SFR8 SFR8 SFR8
INCH SERIES | RADIAL SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB MPB Myonic BARDEN OLD NHBB GRW EZO/SPB NSK PKB
SSRI21/2ZZ SR0ZZ SSRI21/2ZZ DDRI21/2ZZ S21/2CHH ULZ1505X SR0SS SR0PP SS11912Z SR0ZZ SR0ZZ SR0ZZ
SSRI3ZZ SR1ZZ SSRI3ZZ DDRI3ZZ S3CHH RF1706X SR1SS SR1PP SS13972Z SR1ZZ SR1ZZ SR1ZZ
SSRI4ZZ SR14ZZ SSRI4ZZ DDRI4ZZ S4CHH RF2508X SR14SS SR14PP SS5/642Z SR1-4ZZ SR1-4ZZ SR1-4ZZ
SSRI3332ZZ SR133ZZ SSRI3332ZZ DDRI3332ZZ S3332CHH ULZ3006X SR133SS SR133PP SS23802Z SR133ZZ SR133ZZ SR133ZZ
SSRI5ZZ SR15ZZ SSRI5ZZ DDRI5ZZ S5CHH RF3010X SR15SS SR15PP SS3/322Z SR1-5ZZ SR1-5ZZ SR1-5ZZ
SSRI418ZZ SR144ZZ SSRI418ZZ DDRI418ZZ S418CHH ULZ4008X SR144SS SR144PP SS31752Z SR144ZZ SR144ZZ SR144ZZ
SSRI518ZZ SR25ZZ SSRI518ZZ DDRI518ZZ S518CHH RF4010X SR25SS SR25PP SS1/8A2Z SR2-5ZZ SR2-5ZZ SR2-5ZZ
SSRI618ZZ SR26ZZ SSRI618ZZ DDRI618ZZ S618CHH - SR26SS SR26PP SS1/8A/62Z SR168ZZ SR168ZZ SR168ZZ
SSR2ZZ SR2ZZ SSR2ZZ DDR2ZZ SR2CHH RF4012X SR2SS SR2PP SS1/8B2Z SR2ZZ SR2ZZ SR2ZZ
SSR2AZZ SR2AZZ SSR2ZZA DDR2ZZA SR2ACHH - SR2ASS SR2APP SS1/S/8B/0832Z SR2AZZ SR2AZZ SR2AZZ
SSRI5532ZZ SR155ZZ SSRI5532ZZ DDRI5532ZZ S5532CHH ULZ5010Z SR155SS SR155PP SS39672Z SR155ZZ SR155ZZ SR155ZZ
SSRI5632ZZ SR156ZZ SSRI5632ZZ DDRI5632ZZ S5632CHH ULZ6010X SR156SS SR156PP SS4763A2Z SR156ZZ SR156ZZ SR156ZZ
SSRI6632ZZ SR166ZZ SSRI6632ZZ DDRI6632ZZ S6316CHH ULZ6012X SR166SS SR166PP SS4763B2Z SR166ZZ SR166ZZ SR166ZZ
SSR3ZZ SR3ZZ SSR3ZZ DDR3ZZ SR3RHH RF6016X SR3SS SR3PP SS3/162Z SR3ZZ SR3ZZ SR3ZZ
SSRI614ZZ SR168ZZ SSRI614ZZ DDRI614ZZ S614CHH ULZ8012X SR168SS SR168PP SS6350A2Z SR168ZZ SR168ZZ SR168ZZ
SSRI814ZZ SR188ZZ SSRI814ZZ DDRI814ZZ S814CHH ULZ8016X SR188SS SR188PP SS6350B2Z SR188ZZ SR188ZZ SR188ZZ
SSR4ZZ SR4ZZ SSR4ZZ DDR4ZZ SR4CHH RF8020X SR4SS SR4PP SS1/4A2Z SR4ZZ SR4ZZ SR4ZZ
SSRI1214ZZ SR4AZZ SSRI1214ZZ DDRI1214ZZ SR4ARHH - SR4ASS SR4APPD SS1/42Z SR4AZZ SR4AZZ SR4AZZ
SSRI8516ZZ SR1810ZZ SSRI8516ZZ DDRI8516ZZ S8516RHH ULZ10016X SR1810SS SR1810PP SS79382Z SR1810ZZ SR1810ZZ SR1810ZZ
SSRI1438ZZ SR6ZZ SSRI1438ZZ DDRI1438ZZ SR6RHH RZ12028X SR6SS SR6PPD SS3/82Z SR6ZZ SR6ZZ SR6ZZ
SSRI1212ZZ SR824ZZ SSRI1212ZZ DDRI1212ZZ S812CHH - SR1216SS SR824PP - - - -
SSRI1412ZZ SR6-5ZZ SSRI1412ZZ DDRI1412ZZ - - - SR6-5ZZ - SR6-5ZZ - -
SSRI1458ZZ SR1028ZZ SSRI1458ZZ DDRI1458ZZ S1014CHH - SR1420SS SR1028PP - - - -
SSRI1634ZZ SR1232ZZ SSRI1634ZZ DDRI1634ZZ S1216CHH - SR1624SS SR1232PP - - - -
SSRI1812ZZ SR8ZZ SSRI1812ZZ DDRI1812ZZ SR8RHH - SR8SS SR8PPD SS1/22Z SR8ZZ SR8ZZ SR8ZZ
INCH SERIES | RADIAL FLANGED SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB MPB Myonic BARDEN OLD NHBB GRW EZO/SPB NSK PKB
SSRIF21/2ZZ SFR0ZZ SSRIF21/2ZZ DDRIF21/2ZZ S21/2FCHH ULKZ1505X SFR0SS SFR0PP SSF11912Z SFR0ZZ SFR0ZZ SFR0ZZ
SSRIF3ZZ SFR1ZZ SSRIF3ZZ DDRIF3ZZ S3FCHH RKF1706X SFR1SS SFR1PP SSF13972Z SFR1ZZ SFR1ZZ SFR1ZZ
SSRIF4ZZ SFR14ZZ SSRIF4ZZ DDRIF4ZZ S4FCHH RKF2508X SFR14SS SFR14PP SSF5/642Z SFR1-4ZZ SFR1-4ZZ SFR1-4ZZ
SSRIF3332ZZ SFR133ZZ SSRIF3332ZZ DDRIF3332ZZ S3332FCHH ULKZ3006X SFR133SS SFR133PP SSF23802Z SFR133ZZ SFR133ZZ SFR133ZZ
SSRIF5ZZ SFR15ZZ SSRIF5ZZ DDRIF5ZZ S5FCHH RKF3010X SFR15SS SFR15PP SSF3/322Z SFR1-5ZZ SFR1-5ZZ SFR1-5ZZ
SSRIF418ZZ SFR144ZZ SSRIF418ZZ DDRIF418ZZ S418FCHH ULKZ4008X SFR144SS SFR144PP SSF31752Z SFR144ZZ SFR144ZZ SFR144ZZ
SSRIF518ZZ SFR25ZZ SSRIF518ZZ DDRIF518ZZ S518FCHH RKF4010X SFR25SS SFR25PP SSF1/8A2Z SFR2-5ZZ SFR2-5ZZ SFR2-5ZZ
SSRIF618ZZ SFR26ZZ SSRIF618ZZ DDRIF618ZZ S618FCHH - SFR26SS SFR26PP SSF1/8A/62Z SFR2-6ZZ SFR2-6ZZ SFR2-6ZZ
SSRF2ZZ SFR2ZZ SSRF2ZZ DDRF2ZZ SR2FCHH RKF4012X SFR2SS SFR2PP SSF1/8B2Z SFR2ZZ SFR2ZZ SFR2ZZ
SSRIF5532ZZ SFR155ZZ SSRIF5532ZZ DDRIF5532ZZ S5532FCHH ULKZ5010X SFR155SS SFR155PP SSF39672Z SFR155ZZ SFR155ZZ SFR155ZZ
SSRIF5632ZZ SFR156ZZ SSRIF5632ZZ DDRIF5632ZZ S5632FCHH ULKZ6010X SFR156SS SFR156PP SSF4763A2Z SFR156ZZ SFR156ZZ SFR156ZZ
SSRIF6632ZZ SFR166ZZ SSRIF6632ZZ DDRIF6632ZZ S6316FCHH ULKZ6012X SFR166SS SFR166PP SSF4763B2Z SFR166ZZ SFR166ZZ SFR166ZZ
SSRF3ZZ SFR3ZZ SSRF3ZZ DDRF3ZZ SR3FCHH RKF6016X SFR3SS SFR3PP SSF3/162Z SFR3ZZ SFR3ZZ SFR3ZZ
SSRIF614ZZ SFR168ZZ SSRIF614ZZ DDRIF614ZZ S614FCHH ULKZ8012X SFR168SS SFR168PP SSF6350A2Z SFR168ZZ SFR168ZZ SFR168ZZ
SSRIF814ZZ SFR188ZZ SSRIF814ZZ DDRIF814ZZ S814FCHH ULKZ8016X SFR188SS SFR188PP SSF6350B2Z SFR188ZZ SFR188ZZ SFR188ZZ
SSRF4ZZ SFR4ZZ SSRF4ZZ DDRF4ZZ SR4FCHH RKF8020X SFR4SS SFR4PP SSF1/4A2Z SFR4ZZ SFR4ZZ SFR4ZZ
SSRIF8516ZZ SFR1810ZZ SSRIF8516ZZ DDRIF8516ZZ S8516FCHH ULKZ10016X SFR1810SS SFR1810PP SSF79382Z SFR1810ZZ SFR1810ZZ SFR1810ZZ
SSRIF1438ZZ SFR6ZZ SSRIF1438ZZ DDRIF1438ZZ SR6FRHH RKZ12028X SFR6SS SFR6PPD SSF3/82Z SFR6ZZ SFR6ZZ SFR6ZZ
SSRIF1812ZZ - - - - - - - - SFR8ZZ SFR8ZZ SFR8ZZ
METRIC L SERIES | RADIAL OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSL310 S681 SSL310 DDL310 SS681 S681 S681 -
SSL415 S681X SSL415 DDL415 SS68/1.5 S681X S681X -
SSL520 S682 SSL520 DDL520 SS682 S682 S682 -
SSL625 S682X SSL625 DDL625 SS682/2.5 S682X S682X -
SSL630 SMR63 SSL630 DDL630 SS673 SMR63 SMR63 -
SSL730 S683 SSL730 DDL730 SS683 S683 S683 S683
SSL740 SMR74 SSL740 DDL740 SS674 SMR74 SMR74 SMM74
SSL840 SMR84 SSL840 DDL840 - SMR84 SMR84 -
SSL940 S684 SSL940 DDL940 SS684 S684 S684 -
SSL1040 SMR104 SSL1040 DDL1040 - SMR104 SMR104 -
SSL850 SMR85 SSL850 DDL850 SS675 SMR85 SMR85 -
SSL950 SMR95 SSL950 DDL950 - SMR95 SMR95 -
SSL1050 SMR105 SSL1050 DDL1050 - SMR105 SMR105 SMM105
SSL1150 S685 SSL1150 DDL1150 SS685 S685 S685 S1170
SSL1060 SMR106 SSL1060 DDL1060 SS676 SMR106 SMR106 -
SSL1260 SMR126 SSL1260 DDL1260 - SMR126 SMR126 -
SSL1360 S686 SSL1360 DDL1360 SS686 S686 S686 -
SSL1170 SMR117 SSL1170 DDL1170 SS677 SMR117 SMR117 -
SSL1370 SMR137 SSL1370 DDL1370 - SMR137 SMR137 -
SSL1470 S687 SSL1470 DDL1470 SS687 S687 S687 -
SSL1280 SMR128 SSL1280 DDL1280 SS678 SMR128 SMR128 -
SSL1480 SMR148 SSL1480 DDL1480 - SMR148 SMR148 -
SSL1680 S688 SSL1680 DDL1680 SS688 S688 S688 -
SSL1790 S689 SSL1790 DDL1790 SS689 S689 S689 -
SSL2090 S699 SSL2090 DDL2090 - S699 S699 -
SSL1910 S6800 SSL1910 DDL1910 SS6800 - - -
METRIC L SERIES | RADIAL FLANGED OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSLF310 - SSLF310 DDLF310 SSF681 SF681 SF681 -
SSLF415 - SSLF415 DDLF415 SSF68/1.25 SF681X SF681X SF681X
SSLF520 - SSLF520 DDLF520 SSF682 SF682 SF682 -
SSLF625 - SSLF625 DDLF625 SSF682/2.5 SF682X SF682X -
SSLF630 - SSLF630 DDLF630 SSF673 SMF63 SMF63 -
SSLF730 - SSLF730 DDLF730 SSF683 SF683 SF683 -
SSLF740 - SSLF740 DDLF740 SSF674 SMF74 SMF74 -
SSLF840 - SSLF840 DDLF840 - SMF84 SMF84 -
SSLF940 - SSLF940 DDLF940 SSF684ZZ SF684 SF684 -
SSLF1040 - SSLF1040 DDLF1040 - SMF104 SMF104 -
SSLF850 - SSLF850 DDLF850 SSF675 SMF85 SMF85 -
SSLF950 - SSLF950 DDLF950 - SMF95 SMF95 -
SSLF1050 - SSLF1050 DDLF1050 - SMF105 SMF105 -
SSLF1150 - SSLF1150 DDLF1150 SSF685 SF685 SF685 -
SSLF1060 - SSLF1060 DDLF1060 - SMF106 SMF106 -
SSLF1260 - SSLF1260 DDLF1260 - SMF126 SMF126 -
SSLF1360 - SSLF1360 DDLF1360 SS686 SF686 SF686 SF686
SSLF1170 - SSLF1170 DDLF1170 - SMF117 SMF117 -
SSLF1370 - SSLF1370 DDLF1370 - SMF137 SMF137 -
SSLF1470 - SSLF1470 DDLF1470 SSF687 SF687 SF687 -
SSLF1280 - SSLF1280 DDLF1280 - SMF128 SMF128 -
SSLF1480 - SSLF1480 DDLF1480 - SMF148 SMF148 -
SSLF1680 - SSLF1680 DDLF1680 SSF688 SF688 SF688 -
SSLF1790 - SSLF1790 DDLF1790 SSF689 SF6800 SF6800 -
METRIC L SERIES | RADIAL SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSL310ZZ - SSL310ZZ DDL310ZZ - S681ZZ S681ZZ -
SSL415ZZ - SSL415ZZ DDL415ZZ SS68/1.5-2Z S681XZZ S681XZZ -
SSL520ZZ S682ZZ SSL520ZZ DDL520ZZ SS682-2Z S682ZZ S682ZZ -
SSL625ZZ S682XZZ SSL625ZZ DDL625ZZ SS682/2.5-2Z S682XZZ S682XZZ -
SSL630ZZ SMR63ZZ SSL630ZZ DDL630ZZ SS673-2Z SMR63ZZS SMR63ZZS -
SSL730ZZ S683ZZ SSL730ZZ DDL730ZZ SS683-2Z S683ZZ S683ZZ S683ZZ
SSL740ZZ SMR74ZZ SSL740ZZ DDL740ZZ SS674-2Z SMR74ZZS SMR74ZZS SMM74ZZ
SSL840ZZ SMR84ZZ SSL840ZZ DDL840ZZ - SMR84ZZ SMR84ZZ -
SSL940ZZ S684ZZ SSL940ZZ DDL940ZZ SS684-2Z S684ZZ S684ZZ -
SSL1040ZZ SMR104ZZ SSL1040ZZ DDL1040ZZ - SMR104ZZ SMR104ZZ SMM104ZZ
SSL850ZZ SMR85ZZ SSL850ZZ DDL850ZZ SS675-2Z SMR85ZZS SMR85ZZS -
SSL950ZZ SMR95ZZ SSL950ZZ DDL950ZZ - SMR95ZZS SMR95ZZS -
SSL1050ZZ SMR105ZZ SSL1050ZZ DDL1050ZZ - SMR105ZZ SMR105ZZ SMM105ZZ
SSL1150ZZ S685ZZ SSL1150ZZ DDL1150ZZ SS685-2Z S685ZZ S685ZZ -
SSL1060ZZ SMR106ZZ SSL1060ZZ DDL1060ZZ - SMR106ZZS SMR106ZZS -
SSL1260ZZ SMR126ZZ SSL1260ZZ DDL1260ZZ - SMR126ZZ SMR126ZZ SMM126ZZ
SSL1360ZZ S686ZZ SSL1360ZZ DDL1360ZZ SS686-2Z S686ZZ S686ZZ S686ZZ
SSL1170ZZ SMR117ZZ SSL1170ZZ DDL1170ZZ - SMR117ZZS SMR117ZZS -
SSL1370ZZ SMR137ZZ SSL1370ZZ DDL1370ZZ - SMR137ZZ SMR137ZZ -
SSL1470ZZ S687ZZ SSL1470ZZ DDL1470ZZ SS687-2Z S687ZZ S687ZZ -
SSL1280ZZ SMR128ZZ SSL1280ZZ DDL1280ZZ - SMR128ZZS SMR128ZZS -
SSL1480ZZ SMR148ZZ SSL1480ZZ DDL1480ZZ SS688A/142-2Z SMR148ZZ SMR148ZZ -
SSL1680ZZ S688ZZ SSL1680ZZ DDL1680ZZ SS688/003-2Z S688ZZ S688ZZ S688ZZ
SSL1790ZZ S689ZZ SSL1790ZZ DDL1790ZZ - S689ZZ S689ZZ -
SSL2090ZZ S699ZZ SSL2090ZZ DDL2090ZZ SS699ZZ S699ZZ S699ZZ -
SSL1910ZZ S6800ZZ SSL1910ZZ DDL1910ZZ SS6800-2Z S63800ZZ S63800ZZ -
METRIC L SERIES | RADIAL FLANGED SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSLF520ZZ - SSLF520ZZ DDLF520ZZ SSF682-2Z SF682ZZ SF682ZZ -
SSLF625ZZ - SSLF625ZZ DDLF625ZZ SSF682-2Z SF682XZZ SF682XZZ -
SSLF630ZZ - SSLF630ZZ DDLF630ZZ - SMF63ZZ SMF63ZZ -
SSLF730ZZ - SSLF730ZZ DDLF730ZZ SSF683-2Z SF683ZZ SF683ZZ SF683ZZ
SSLF740ZZ - SSLF740ZZ DDLF740ZZ - SMF74ZZS SMF74ZZS SMMF74ZZ
SSLF840ZZ - SSLF840ZZ DDLF840ZZ - SMF84ZZ SMF84ZZ -
SSLF940ZZ - SSLF940ZZ DDLF940ZZ SSF684-2Z SF684ZZ SF684ZZ -
SSLF1040ZZ - SSLF1040ZZ DDLF1040ZZ - SMF104ZZ SMF104ZZ -
SSLF850ZZ - SSLF850ZZ DDLF850ZZ - SMF85ZZS SMF85ZZS -
SSLF950ZZ - SSLF950ZZ DDLF950ZZ - SMF95ZZS SMF95ZZS -
SSLF1050ZZ - SSLF1050ZZ DDLF1050ZZ - SMF105ZZ SMF105ZZ -
SSLF1150ZZ - SSLF1150ZZ DDLF1150ZZ SSF685-2Z SF685ZZ SF685ZZ -
SSLF1060ZZ - SSLF1060ZZ DDLF1060ZZ - SMF106ZZS SMF106ZZS SFMM126ZZ
SSLF1260ZZ - SSLF1260ZZ DDLF1260ZZ - SMF126ZZ SMF126ZZ -
SSLF1360ZZ - SSLF1360ZZ DDLF1360ZZ SSF686-2Z SF686ZZ SF686ZZ SF686ZZ
SSLF1170ZZ - SSLF1170ZZ DDLF1170ZZ - SMF117ZZS SMF117ZZS -
SSLF1370ZZ - SSLF1370ZZ DDLF1370ZZ - SMF137ZZ SMF137ZZ -
SSLF1470ZZ - SSLF1470ZZ DDLF1470ZZ SSF687-2Z SF687ZZ SF687ZZ -
SSLF1280ZZ - SSLF1280ZZ DDLF1280ZZ - SMF128ZZS SMF128ZZS -
SSLF1480ZZ - SSLF1480ZZ DDLF1480ZZ - SMF148ZZ SMF148ZZ -
SSLF1680ZZ - SSLF1680ZZ DDLF1680ZZ SSF688/003-2Z SF688ZZ SF688ZZ SF688ZZ
SSLF1790ZZ - SSLF1790ZZ DDLF1790ZZ - SF689ZZ SF689ZZ -
METRIC R SERIES | RADIAL OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSR515 S691X SSR515 DDR515 SS691/1.5 S691X S691X -
SSR615 S601X SSR615 DDR615 - S601X S601X -
SSR620 S692 SSR620 DDR620 SS692 S692 S692 -
SSR720 S602 SSR720 DDR720 - S602 S602 -
SSR725 S692X SSR725 DDR725 SS69/2.5 S692X S692X -
SSR825 S602X SSR825 DDR825 SS60/2.5 S602X S602X -
SSR830 S693 SSR830 DDR830 SS693 S693 S693 -
SSR930 S603 SSR930 DDR930 - S603 S603 -
SSR1030 S623 SSR1030 DDR1030 SS623 S623 S623 S623
SSR1140 S694 SSR1140 DDR1140 SS694 S694 S694 -
SSR1240 S604 SSR1240 DDR1240 SS604 S604 S604 -
SSR1340 S624 SSR1340 DDR1340 SS624 S624 S624 -
SSR1640 S634 SSR1640 DDR1640 SS634 S634 S634 S634
SSR1350 S695 SSR1350 DDR1350 SS695 S695 S695 -
SSR1450 S605 SSR1450 DDR1450 SS605 S605 S605 -
SSR1650 S625 SSR1650 DDR1650 SS625 S625 S625 -
SSR1950 S635 SSR1950 DDR1950 SS635 S635 S635 -
SSR1560 S696 SSR1560 DDR1560 SS696 S696 S696 S696ZZ
SSR1760 S606 SSR1760 DDR1760 - S606 S606 -
SSR1960 S626 SSR1960 DDR1960 SS626 S626 S626 S626
SSR1970 S607 SSR1970 DDR1970 SS607 S607 S607 -
SSR2270 S627 SSR2270 DDR2270 SS627 S627 S627 -
SSR1980 S689 SSR1980 DDR1980 SS698 S698 S698 -
SSR2280 S608 SSR2280 DDR2280 SS608 S608 S608 S608
METRIC R SERIES | RADIAL FLANGED OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSRF515 - SSRF515 DDRF515 SSF69/1.5 SF691X SF691X -
SSRF615 - SSRF615 DDRF615 - SF601X SF601X -
SSRF620 - SSRF620 DDRF620 SSF692 SF692 SF692 -
SSRF720 - SSRF720 DDRF720 - SF602 SF602 -
SSRF725 - SSRF725 DDRF725 SSF69/2.5 SF682X SF682X -
SSRF825 - SSRF825 DDRF825 - SF602X SF602X -
SSRF830 - SSRF830 DDRF830 SSF693 SF693 SF693 -
SSRF930 - SSRF930 DDRF930 - SF603 SF603 -
SSRF1030 - SSRF1030 DDRF1030 SSF623 SF623 SF623 -
SSRF1140 - SSRF1140 DDRF1140 SSF694 SF6894 SF6894 -
SSRF1240 - SSRF1240 DDRF1240 SSF604 SF604 SF604 -
SSRF1340 - SSRF1340 DDRF1340 SSF624 SF624 SF624 -
SSRF1640 - SSRF1640 DDRF1640 SSF634 SF634 SF634 -
SSRF1350 - SSRF1350 DDRF1350 SSF695 SF695 SF695 -
SSRF1450 - SSRF1450 DDRF1450 SSF605 SF605 SF605 -
SSRF1650 - SSRF1650 DDRF1650 SSF625 SF625 SF625 -
SSRF1950 - SSRF1950 DDRF1950 SSF635 SF635 SF635 -
SSRF1560 - SSRF1560 DDRF1560 SSF696 SF696 SF696 -
SSRF1760 - SSRF1760 DDRF1760 SSF626 SF606 SF606 -
SSRF1960 - SSRF1960 DDRF1960 SSF607 SF626 SF626 -
SSRF1970 - SSRF1970 DDRF1970 SSF607 SF607 SF607 -
SSRF2270 - SSRF2270 DDRF2270 SSF627 SF627 SF627 -
SSRF1980 - SSRF1980 DDRF1980 SSF698 SF698 SF698 -
SSRF2280 - SSRF2280 DDRF2280 SSF608 SF608 SF608 -
METRIC R SERIES | RADIAL SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSR515ZZ S691XZZ SSR515ZZ DDR515ZZ SS691/1.5ZZ S691XZZ S691XZZ -
SSR615ZZ S601XZZ SSR615ZZ DDR615ZZ - S601XZZ S601XZZ -
SSR620ZZ S692ZZ SSR620ZZ DDR620ZZ - S692ZZ S692ZZ -
SSR720ZZ S602ZZ SSR720ZZ DDR720ZZ - S602ZZS S602ZZS -
SSR725ZZ S692XZZ SSR725ZZ DDR725ZZ SS69/2.5ZZ S692XZZ S692XZZ -
SSR825ZZ S602XZZ SSR825ZZ DDR825ZZ - S602XZZ S602XZZ -
SSR830ZZ S693ZZ SSR830ZZ DDR830ZZ SS693ZZ S693ZZ S693ZZ -
SSR930ZZ S603ZZ SSR930ZZ DDR930ZZ - S603ZZ S603ZZ -
SSR1030ZZ S623ZZ SSR1030ZZ DDR1030ZZ SS623-2Z S623ZZ S623ZZ S623ZZ
SSR1140ZZ S694ZZ SSR1140ZZ DDR1140ZZ SS694-2Z S694ZZ S694ZZ S694ZZ
SSR1240ZZ S604ZZ SSR1240ZZ DDR1240ZZ SS604-2Z S604ZZ S604ZZ -
SSR1340ZZ S624ZZ SSR1340ZZ DDR1340ZZ SS624-2Z S624ZZ S624ZZ -
SSR1640ZZ S634ZZ SSR1640ZZ DDR1640ZZ SS634-2Z S634ZZ S634ZZ S634ZZ
SSR1350ZZ S695ZZ SSR1350ZZ DDR1350ZZ SS695-2Z S695ZZ S695ZZ -
SSR1450ZZ S605ZZ SSR1450ZZ DDR1450ZZ SS605-2Z S605ZZ S605ZZ -
SSR1650ZZ S625ZZ SSR1650ZZ DDR1650ZZ SS625-2Z S625ZZ S625ZZ -
SSR1950ZZ S635ZZ SSR1950ZZ DDR1950ZZ SS635-2Z S635ZZ S635ZZ -
SSR1560ZZ S696ZZ SSR1560ZZ DDR1560ZZ SS696-2Z S696ZZ S696ZZ -
SSR1760ZZ S606ZZ SSR1760ZZ DDR1760ZZ - S606ZZ S606ZZ -
SSR1960ZZ S626ZZ SSR1960ZZ DDR1960ZZ SS626-2Z S626ZZ S626ZZ S626ZZ
SSR1970ZZ S607ZZ SSR1970ZZ DDR1970ZZ SS607-2Z S607ZZ S607ZZ S607ZZ
SSR2270ZZ S627ZZ SSR2270ZZ DDR22740ZZ SS627-2Z S627ZZ S627ZZ S627ZZ
SSR1980ZZ S698ZZ SSR1980ZZ DDR1980ZZ SS698-2Z S698ZZ S698ZZ -
SSR2280ZZ S608ZZ SSR2280ZZ DDR2280ZZ SS608-2Z S608ZZ S608ZZ S608ZZ
METRIC R SERIES | RADIAL FLANGED SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER		 STANDARD
REFERENCE
NUMBER		 NHBB NMB GRW EZO/SPB NSK PKB
SSRF515ZZ - SSRF515ZZ DDRF515ZZ - SF691XZZ SF691XZZ -
SSRF615ZZ - SSRF615ZZ DDRF615ZZ - SF601XZZ SF601XZZ -
SSRF620ZZ - SSRF620ZZ DDRF620ZZ - SF692ZZ SF692ZZ -
SSRF720ZZ - SSRF720ZZ DDRF720ZZ - SF602ZZS SF602ZZS -
SSRF725ZZ - SSRF725ZZ DDRF725ZZ SSF69/2.5-2Z SF692XZZ SF692XZZ -
SSRF825ZZ - SSRF825ZZ DDRF825ZZ - SF602XZZ SF602XZZ -
SSRF830ZZ - SSRF830ZZ DDRF830ZZ SSF693-2Z SF693ZZ SF693ZZ -
SSRF930ZZ - SSRF930ZZ DDRF930ZZ - SF603ZZ SF603ZZ -
SSRF1030ZZ - SSRF1030ZZ DDRF1030ZZ SSF623-2Z SF623ZZ SF623ZZ -
SSRF1140ZZ - SSRF1140ZZ DDRF1140ZZ SSF694-2Z SF694ZZ SF694ZZ -
SSRF1240ZZ - SSRF1240ZZ DDRF1240ZZ SSF604-2Z SF604ZZ SF604ZZ -
SSRF1340ZZ - SSRF1340ZZ DDRF1340ZZ SSF624-2Z SF624ZZ SF624ZZ -
SSRF1640ZZ - SSRF1640ZZ DDRF1640ZZ SSF634-2Z SF634ZZ SF634ZZ -
SSRF1350ZZ - SSRF1350ZZ DDRF1350ZZ SSF695-2X SF695ZZ SF695ZZ -
SSRF1450ZZ - SSRF1450ZZ DDRF1450ZZ SS605-2Z SF605ZZ SF605ZZ -
SSRF1650ZZ - SSRF1650ZZ DDRF1650ZZ SSF625-2Z SF625ZZ SF625ZZ -
SSRF1950ZZ - SSRF1950ZZ DDRF1950ZZ SSF635-2Z - - -
SSRF1560ZZ - SSRF1560ZZ DDRF1560ZZ SSF696-2Z SF696ZZ SF696ZZ -
SSRF1760ZZ - SSRF1760ZZ DDRF1760ZZ - SF606ZZ SF606ZZ -
SSRF1960ZZ - SSRF1960ZZ DDRF1960ZZ SSF626-2Z SF626ZZ SF626ZZ -
SSRF1970ZZ - SSRF1970ZZ DDRF1970ZZ SS607-2Z SF607ZZ SF607ZZ SF607ZZ
SSRF2270ZZ - SSRF2270ZZ DDRF2270ZZ SSF627-2Z SF627ZZ SF627ZZ -
SSRF1980ZZ - SSRF1980ZZ DDRF1980ZZ SSF698-2Z - - -
SSRF2280ZZ - SSRF2280ZZ DDRF2280ZZ SSF608-2Z SF608ZZ SF608ZZ SF608ZZ