(dimensions in inches)
Bearing Type - BxxxDD
Bore Dia (d) - 1.8125
Outer Dia (D) - 2.2500
Outer Width (Bo) - 0.2500
Inner Width (Bi) - 0.2810
Dynamic Load Rating (Cr) - 2,220
Static Load Rating (Cor) - 7,980
Max. Shaft Shoulder Dia. Inner (Li) - 2.0
Ball Qty - 51
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 2300 pounds.
The static thrust load rating is 3600 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:B544DD
- Inner Diameter：46,0375mm Outer Diameter：57,15mm Width：mm
- Type：Deep Groove Ball Bearings
- Update date：2025-12-12
- Application:pump accessories,Embroidery,Industrial Adhesive,pump,tapered grinder,linear drive,defogging and degreasing,Industrial,air conditioning tools,medical equipment,manual Tools
- Similar models:KOMATSU 3ED7145441 FAG 544872 SKF 309544DB AST B544DD
- BEARING POWER International Trading Co.,Ltd. specialize in B544DD products，there is large inventory of AST B544DD . We has been built up long-term cooperation with AST company, could make a bulk order of the B544DD Which AST B544DD is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.
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