(dimensions in inches)
Bearing Type - BxxxDD
Bore Dia (d) - 2.0625
Outer Dia (D) - 2.6250
Outer Width (Bo) - 0.2500
Inner Width (Bi) - 0.2810
Dynamic Load Rating (Cr) - 2,260
Static Load Rating (Cor) - 9,220
Max. Shaft Shoulder Dia. Inner (Li) - 2.3
Ball Qty - 59
Ball Dia (Dw) - 0.1250
Max. shaft corner radius, or 45 deg. chamfer (ch1) - 0.015
Max. housing corner radius, or 45 deg. chamfer (ch) - 0.015
Material - 52100 Chrome steel or equivalent
The dynamic load rating given is for outer race rotation. The dynamic load rating for inner race rotation is 2340 pounds.
The static thrust load rating is 4000 pounds.
The bore diameter tolerance is +.0007 / -.0007".
The outside diameter tolerance is +.000" / -.001".
The tolerance for the inner race width and the outer race width is +.000" / -.005"
The load ratings listed for these bearings are determined by the formulas used specifically for airframe bearings. These ratings are not equivalent to ratings calculated from the ABMA formulas used for most antifriction bearing products.
This bearing is intended for commercial applications. You must notify the AST sales department contact at the time of your inquiry if the bearing will be used in an airworthy application.
The bearing has two removable seals made of woven fabric Teflon.
- Model Number: B545DD
- Inner Diameter：52,3875mm Outer Diameter：66,675mm Width：mm
- Type：Deep Groove Ball Bearings
- Update date：2025-12-14
- Application:Polymer,labor insurance,rolling mill roll neck and slowdown device,power source,filter paper products,Roller,storage and transportation equipment,construction machinery and equipment,Rolling mill gear box,CNC,plastic rolling
- Similar models:AST B545DD
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