- Bore d
- 55 mm
- Outside D
- 81 mm
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Guides, tables & tools for “MB-11-A”
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ABEC 2, 4, 6, 8, 11 & other nonstandard ratings
Even numbers and marketing labels such as ABEC 11 do not add classes to the conventional 1, 3, 5, 7, 9 ABEC sequence.
Select for an application ↗Bearing adapter sleeve size chart: shaft sizes, H numbers and NSK pairings
Choose a bearing adapter sleeve from the complete bearing designation and shaft diameter, not from the bearing bore alone. This reference contains 233 manufacturer-listed NSK…
Install & maintain ↗ABEC rating chart: ABEC 1, 3, 5, 7 & 9
ABEC is a tolerance classification for ball bearings. Higher standard class numbers indicate tighter specified tolerance limits, not a universal rating of durability or speed.
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