d - 57,15 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

R - 3,6 mm

r - 3,3 mm

a - -4,6 mm

Da - 106 mm

db - 72 mm

da - 66 mm

Db - 99 mm

Aa - 2,2 mm

Ab - 1,1 mm

Weight - 1,37 Kg

Basic static load rating (C0) - 191 kN

Factor (G1) - 75,2

Factor (G2) - 21,3

Factor (Cg) - 0,0297

Factor (K) - 1,45

Basic dynamic load rating (C90) - 33,3

Basic dynamic load rating (Ca90) - 22,9

Basic dynamic load rating (C1) - 129 kN

Calculation factor (e) - 0,4

Calculation factor (Y) - 1,49

• Model Number:3979/3920
• Inner Diameter：57,15mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:electrostatic protection,Industrial Adhesive,pipe fittings Steel industry,plastic molding,woodworking machinery,tire industry,static control,Optical detection,cleaners,construction machinery and equipment,walking Food processing machinery and equipment
• Similar models:ISO 3979/3920 NTN 4T-3979/3920 KOYO 3979/3920 FBJ 3979/3920 KBC 3979/3920 Timken 3979/3920 NACHI 3979/3920 CX 3979/3920 Timken NP113979/NP693852 Timken 3979/3920-B
• BEARING POWER International Trading Co.,Ltd. specialize in 3979/3920 products，there is large inventory of Timken 3979/3920 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3979/3920 Which Timken 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
  14117A/14274A	30	68,956	19,845	Timken	Tapered Roller Bearings
  56418R/56650	106,362	165,1	36,512	KOYO	Tapered Roller Bearings
  62/22	50	22	14	SKF	Deep Groove Ball Bearings
  67884/67820	187,325	266,7	47,625	ISO	Tapered Roller Bearings
  713644620				FAG	Wheel Bearings
  AST20 8060	80	85		AST	Plain Bearings
  HCS71918-C-T-P4S	90	125	18	FAG	Angular Contact Ball Bearings
  K81152-M	260	320		NBS	Thrust Roller Bearings
  MJ1.3/8	34,925	88,9	22,225	RHP	Deep Groove Ball Bearings
  NJ217 E	85	150	28	CX	Cylindrical Roller Bearings
  NKX 12	21	12	23	SKF	Cylindrical Roller Bearings
  NU2203-E-TVP2	17	40	16	FAG	Cylindrical Roller Bearings
  W 624 R-2RS1	13	4	5	SKF	Deep Groove Ball Bearings
  SI40TXE-2LS	40			SKF	Plain Bearings
  SLX180X240X80LL	180,000	240,000	80,000	NTN	Cylindrical Roller Bearings
  305-SG	25	62	17	MRC	DEEP GROOVE BALL BEARINGS
  1119F2	140	95		MRC	THRUST BALL BEARINGS
  AAS1109	45	65		NTN	THRUST NEEDLE BEARINGS
  FLRA133ZZA	.0937	.1875	.0937	NTN	DEEP GROOVE BALL BEARINGS
  6301.2RS	12	37	12	SKF	DEEP GROOVE BALL BEARINGS