d - 50,8 mm

D - 93,264 mm

T - 30,162 mm

B - 30,302 mm

C - 23,812 mm

a - 22,2 mm

r min. - 3,6 mm

r2 min. - 3,2 mm

da min. - 64 mm

Da - 82 mm

db min - 58 mm

ra max. - 3,6 mm

rb max. - 3,2 mm

Db - 88 mm

Weight - 0,835 Kg

Basic dynamic load rating (C) - 103 kN

Basic static load rating (C0) - 137 kN

(Grease) Lubrication Speed - 4200 r/min

(Oil) Lubrication Speed - 5500 r/min

Calculation factor (e) - 0,34

Calculation factor (Y0) - 0,97

Calculation factor (Y1) - 1,77

• Model Number: 3780/3720
• Inner Diameter：50,8mm Outer Diameter：93,264mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:Spectrum Products,machine tool spindle,Automobile,pressure control valve,ignition system,meat products machine,Food testing,bag machine,spectrometer,Gripper Swing,Digital Generator
• Similar models:Timken 3780/3720 FBJ 3780/3730 Timken 3780/3729D+X1S-3780 ISO 3780/3732 Timken 3780/3726 Timken 3780/3730 Fersa 3780/3720 CX 3780/3726 ISO 3780/3726 PFI 3780/20
• BEARING POWER International Trading Co.,Ltd. specialize in 3780/3720 products，there is large inventory of KOYO 3780/3720 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3780/3720 Which KOYO 3780/3720 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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