Spherical Plain Bearings
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NPB GAC55S Bearing Load Series Metric | Angular Contact (Thrust Type) Spherical Plain Bearing

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NPB Part No.
GAC55S

Specifications

Angular Contact (Thrust Type) Spherical Plain Bearing Dimensional Diagram
*Stainless option is available in most sizes.
Sealed
No
Ball Bore Diameter
55 mm ±0.015
Outside Diameter
90 mm ±0.018
Ball Width
22 mm ±0.300
Race Width
22 mm ±0.300
Ball Diameter Ref
81 mm
Outer Ring Bore Ref
62 mm
Overall Height
23 mm ±0.250
Tilt Angle
3 deg
Shaft Housing Fillet Min
0.8 mm
Static Axial Loads 1
175,359 Lbf
Dynamic Axial Loads 1
35,071 Lbf
  1. 1 Ultimate loads for the bearings in this catalog are approximately 1.5 times the catalog load ratings

Interchange

National Precision Bearing Part No GAC55S is an interchangable replacement for these common bearing part numbers:

R.B.C. Bearing
MB55SA
TORRINGTON Bearing
GE55SX