d - 57.15 mm

D - 112.712 mm

T - 30.162 mm

B - 30.048 mm

C - 23.812 mm

a - 26 mm

r1 min. - 3.5 mm

r2 min. - 3.5 mm

r3 min. - 3.3 mm

r4 min. - 3.3 mm

Weight - 1.376 Kg

Basic dynamic load rating (C) - 118 kN

Basic static load rating (C0) - 173 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0.4

Calculation factor (Y) - 1.5

Calculation factor (Y0) - 0.82

• Model Number: 3979/3920
• Inner Diameter：57.15mm Outer Diameter：112.712mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-14
• Application:spectrometer,Machine tools,tooth filling,pump industry,Traffic Fire Protection Equipment Security equipment,sample cup,lathe,altimeter etc,coal,tower crane,medical equipment
• Similar models:KOYO 3979/3920 KBC 3979/3920 NACHI 3979/3920 Timken 3979/3920-B Timken 3979/3920 FBJ 3979/3920 Fersa 3979/3920 NTN 4T-3979/3920 Timken NP113979/NP693852 ISO 3979/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3979/3920 products，there is large inventory of KBC 3979/3920 . We has been built up long-term cooperation with KBC company, could make a bulk order of the 3979/3920 Which KBC 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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