Generic dimensions:
1.0000" (24.4mm) ID x 2.5000" (63.5mm) OD x 0.7500" (19.05mm) Width

6K529 Ball Bearing, Gearbox Rear
all MGA and early MGB through 1967.
171-329             Moss Motors Ltd USA
2-809               Victoria British Ltd
6K529               BMC, British Leyland
AO36                BMC, British Leyland
CM211               BMC, British Leyland
SP72G               BMC, British Leyland
SP726               BMC, British Leyland
T631                BMC, British Leyland

Manufacturers
00-155-8890         NSN
136539-8            Navair
136539-8            Navsea
311-00-155-8890     NSN
MJ1                 R&M
MS10                FAFNIR
MS10                FAG
MS10-32002-2        Schatz
RMS 8               SKF
RMS8                JAF

Applications
121-245             General Motors
3611001000          Chrysler
6006930             Thales Security Systems UK Limited
7541080             US Army Tank Automotive Command
C5NN7N045A          Ford
FFB171              Federal Govt Spec