d - 57,15 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

a - 25,9 mm

r min. - 3,6 mm

r2 min. - 3,2 mm

da min. - 72 mm

Da - 99 mm

db min - 66 mm

ra max. - 3,6 mm

rb max. - 3,2 mm

Db - 106 mm

Weight - 1,364 Kg

Basic dynamic load rating (C) - 111 kN

Basic static load rating (C0) - 164 kN

(Grease) Lubrication Speed - 3400 r/min

(Oil) Lubrication Speed - 4500 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

• Model Number: 3979/3920
• Inner Diameter：57,15mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:lifting equipment Hoisting hoist,oral medical device,electromyography machine,key lock,multi-knife lathe,Cutting Machine,tube,Anesthetic Equipment,Medical equipment,paper processing machine,Gripper Swing
• Similar models:KBC 3979/3920 Timken 3979/3920-B Fersa 3979/3920 ISO 3979/3920 Timken 3979/3920 NACHI 3979/3920 Timken NP113979/NP693852 CX 3979/3920 NTN 4T-3979/3920 FBJ 3979/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3979/3920 products，there is large inventory of KOYO 3979/3920 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3979/3920 Which KOYO 3979/3920 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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