d - 58.738 mm

D - 112.712 mm

T - 30.162 mm

B - 30.048 mm

C - 23.812 mm

a - 4.5 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 1,35 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:3981/3920
• Inner Diameter：58.738mm Outer Diameter：112.712mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2023-03-12
• Application:car,EEG,Broadcasting System,glass,special broaching machine,bio-chemical,printing machinery,Forging machine,Optical Instruments,Small air generators,Pneumatic Actuator
• Similar models:NSK 3981/3926 Timken 3981/3920-B NACHI 3981/3920 Timken 3981/3920 KOYO 3981/3926
• BEARING POWER International Trading Co.,Ltd. specialize in 3981/3920 products，there is large inventory of NACHI 3981/3920 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3981/3920 Which NACHI 3981/3920 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
  22332EF802	160,000	340,000	114,000	SNR	Thrust Roller Bearings
  24136CW33	180	300	118	AST	Spherical Roller Bearings
  306728	460	330	56	SKF	Deep Groove Ball Bearings
  33215	75	130	41	NKE	Tapered Roller Bearings
  42373/42590	94,975	149,974	31,75	Timken	Tapered Roller Bearings
  4T-755/752	76,2	161,925	48,26	NTN	Tapered Roller Bearings
  51132M	160	200		AST	Thrust Ball Bearings
  5405	25	80	34,93	SIGMA	Angular Contact Ball Bearings
  5S-BNT206	30	62	16	NTN	Angular Contact Ball Bearings
  7203AP	17	40	12	MPZ	Angular Contact Ball Bearings
  7408 BDF	40	110	54	ISO	Angular Contact Ball Bearings
  BEAM 017062-2RS	17	62	25	SKF	Thrust Ball Bearings
  BR 283720 U	44,45	58,738	31,75	IKO	Needle Roller Bearings
  HM252349/HM252310	260,35	422,275	86,121	KOYO	Tapered Roller Bearings
  NF326	130	280	58	CRAFT	Cylindrical Roller Bearings
  PCM 222515 M	22	25	15	SKF	Plain Bearings
  SDM12MG	12	21	23	KOYO	Linear Bearings
  XLS-191/2	19.5000	26.0000	3.2500	FED	DEEP GROOVE BALL BEARINGS
  NF308E	40	90	23	STEYR	CYLINDRICAL ROLLER BEARINGS
  NK-19/16	27		16	CONSOLIDATED	NEEDLE BEARINGS