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：2025-04-23
• Application:circulating pump,tray industry,shaft milling machine,Ball screw,Machine tool accessories,Wire grinder,plastic rolling,safety testing,packing equipment,sheet industry,Low-voltage electrical equipment
• Similar models:FBJ 3979/3920 CX 3979/3920 Timken NP113979/NP693852 Timken 3979/3920-B NACHI 3979/3920 NTN 4T-3979/3920 Fersa 3979/3920 KBC 3979/3920 KOYO 3979/3920 Timken 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  212WG	60	110	22	Timken	Deep Groove Ball Bearings
  21316-E1-K + AH316	75	170	39	FAG	Spherical Roller Bearings
  24096RHAK30	480	700	218	KOYO	Spherical Roller Bearings
  54406U	30	70	62	NSK	Thrust Ball Bearings
  6311-Z	55	120	29	CYSD	Deep Groove Ball Bearings
  7012DB	60	95	18	NACHI	Angular Contact Ball Bearings
  7208BDF	40	80	18	CYSD	Angular Contact Ball Bearings
  7311BDT	55	120	29	NACHI	Angular Contact Ball Bearings
  DC5060	300	460	218	KOYO	Cylindrical Roller Bearings
  HK0810-RS	8	12	10	INA	Needle Roller Bearings
  NKX 20	30	20	30	SKF	Cylindrical Roller Bearings
  SDM13	13	23	23	KOYO	Linear Bearings
  ZARF 90210 TN	90	210	32	NBS	Complex Bearings
  RCJ7/8	.8750			FAF	PILLOW BLOCKS
  CRBC4	1.5000	4.0000	2.2500	RBC	ROLLER CAM FOLLOWERS
  95TAC20X	95	145	234419 M.SP	NSK	ANGULAR CONTACT THRUST BALL BEARINGS
  NAX122123	21	12		SKF (Old No.)	NEEDLE BEARINGS
  23A	270	150	45	RIV	DEEP GROOVE BALL BEARINGS
  6388M	440	900	145	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  4415	1.3750	2.4375		CONSOLIDATED	THRUST BALL BEARINGS