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Standard Specification for Bearing, Roller, Needle: Assembly (Thick Outer Race)
1.1 This specification covers needle roller bearing assemblies. These assemblies have thick outer rings, cages, rollers, and inner rings. The assemblies consist of a MS51961 thick outer race needle roller bearing as specified in Specification F 2246 and a corresponding MS51962 inner ring as specified in Specification F 2431
1.2 The bearings being specified are intended to be used on unhardened shafts. MS51961 bearings without inner rings, as specified in Specification F 2246, may be used for used directly on hardened shafts (HRC58-65; see Test Methods E 18).
1.3 Bearings designed to this specification are intended for use in applications requiring high radial load with minimal angular shaft misalignment.
1.4 This specification contains many of the requirements of MS500072, which was originally developed by the Department of Defense and maintained by the Defense Supply Center in Richmond. The following government activity codes may be found in the Department of Defense, Standardization Directory SD-1.
| Preparing activity | Custodians | Review Activity |
| DLA-GS4 | Army -AT | Air Force- 11, 84 |
| Navy-OS | ||
| Air Force-99 |
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