d - 12,7 mm

D - 34,988 mm

T - 10,998 mm

B - 10,988 mm

C - 8,73 mm

a - 8,3 mm

r min. - 1,2 mm

r2 min. - 1,2 mm

da min. - 18,5 mm

Da - 29 mm

db min - 17 mm

ra max. - 1,2 mm

rb max. - 1,2 mm

Db - 32 mm

Weight - 0,055 Kg

Basic dynamic load rating (C) - 12,6 kN

Basic static load rating (C0) - 11,9 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 17000 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y1) - 1,33

• Model Number:A4050/A4138
• Inner Diameter：12,7mm Outer Diameter：34,988mm Width：10,998mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Beauty and Body,drawing die,molding machine,Gas turbine,education model Instruments,milling head plug,medical equipment,electrocardiograph,physical instruments,transportation equipment,Cutting Machine
• Similar models:Timken A4050/A4138 NTN 4T-A4050/A4138 KOYO A4050/A4138 FBJ A4050/A4138 NSK A4050/A4138 SNR EC44050S01 Timken A4050/A4138B
• BEARING POWER International Trading Co.,Ltd. specialize in A4050/A4138 products，there is large inventory of KOYO A4050/A4138 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the A4050/A4138 Which KOYO A4050/A4138 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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