d - 36,512 mm

D - 85,725 mm

T - 30,162 mm

B - 30,162 mm

C - 23,812 mm

a - 22,9 mm

r min. - 0,8 mm

r2 min. - 3,2 mm

da min. - 48 mm

Da - 73 mm

db min - 47 mm

ra max. - 0,8 mm

rb max. - 3,2 mm

Db - 81 mm

Weight - 0,89 Kg

Basic dynamic load rating (C) - 108 kN

Basic static load rating (C0) - 136 kN

(Grease) Lubrication Speed - 4800 r/min

(Oil) Lubrication Speed - 6400 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

• Model Number: 3878/3820
• Inner Diameter：36,512mm Outer Diameter：85,725mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:packing equipment,Equipment,Industrial,Display Devices,Performance test,trolley,stacker lift platform,Forming mold,Insect Capture,suction nozzle,Laser Devices
• Similar models:CX 3878/3820 Fersa 3878/3820 ISO 3878/3820 KOYO 3878/3820 NACHI 3878/3820 Timken 3878/3820
• BEARING POWER International Trading Co.,Ltd. specialize in 3878/3820 products，there is large inventory of KOYO 3878/3820 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3878/3820 Which KOYO 3878/3820 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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