d - 57.150 mm

D - 112.712 mm

T - 30.162 mm

B - 30.048 mm

C - 23.812 mm

a - 4.6 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 1,4 Kg

Basic dynamic load rating (C) - 118000 kN

Basic static load rating (C0) - 172000 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0.40

Calculation factor (Y0) - 0.82

Calculation factor (Y1) - 1.5

• Model Number:3979/3920
• Inner Diameter：57.150mm Outer Diameter：112.712mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:intermediate,rock drilling machinery,other rubber,ship special,medical Equipment,car instrument,PVC,Garment Accessories,instrument,Body shaping,circulating pump
• Similar models:Fersa 3979/3920 Timken NP113979/NP693852 NTN 4T-3979/3920 NACHI 3979/3920 ISO 3979/3920 Timken 3979/3920 Timken 3979/3920-B KBC 3979/3920 CX 3979/3920 KOYO 3979/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3979/3920 products，there is large inventory of NACHI 3979/3920 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3979/3920 Which NACHI 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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  UKP208	35			CX	Bearing Units
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  BK2514RS	32		14	INA	NEEDLE BEARINGS
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  23930	150	210	45	Torrington	SPHERICAL ROLLER BEARINGS
  54309U				SKF	THRUST BALL BEARINGS WITH SPHERICAL SEATING RINGS
  NUTR50110X	50	110	32	SKF	NEEDLE BEARINGS
  6322Z	110	240	50	SKF	DEEP GROOVE BALL BEARINGS
  NU-1030	150	225	35	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  80x100x10mm	80	100	10	CONSOLIDATED	OIL SEALS
  6215-K2RS	75	130	25	CONSOLIDATED	DEEP GROOVE BALL BEARINGS