d - 40 mm

D - 76 mm

T - 25 mm

d1 - 76 mm

r min. - 1 mm

D1 - 40.2 mm

da min. - 63 mm

Da max. - 55 mm

ra max. - 1.0 mm

Weight - 0.486 Kg

Basic dynamic load rating (C) - 61 kN

Basic static load rating (C0) - 119 kN

(Grease) Lubrication Speed - 2200 r/min

(Oil) Lubrication Speed - 3400 r/min

• Model Number:3908
• Inner Diameter：40mm Outer Diameter：76mm Width：25mm
• Type：Thrust Ball Bearings
• Update date：2025-12-16
• Application:Perfusion device,Logistics Equipment,rehabilitation training equipment,Other machinery,gas turbine,Special Equipment,Pneumatic Control Elements,key lock,other rubber,boring bar boring bar,extruder
• Similar models:FBJ 3908 NACHI 3908
• BEARING POWER International Trading Co.,Ltd. specialize in 3908 products，there is large inventory of NACHI 3908 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3908 Which NACHI 3908 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
  22309K	45	100	36	FBJ	Spherical Roller Bearings
  23956 KCW33+H3956	280	380	75	CX	Spherical Roller Bearings
  30203J	17	40	13.25	KBC	Tapered Roller Bearings
  30214	70	125	26,25	CYSD	Tapered Roller Bearings
  5S-2LA-HSE928G/GNP42	140	190	24	NTN	Angular Contact Ball Bearings
  63008-2RS	40	68	21	ISB	Deep Groove Ball Bearings
  71916 ACE/P4AH1	110	80	16	SKF	Angular Contact Ball Bearings
  B-228	34,925	41,275	12,7	Timken	Needle Roller Bearings
  HMK3845ZWD	38	48	45	NTN	Needle Roller Bearings
  KJ35X39X23.8	35,000	39,000		NTN	Needle Roller Bearings
  NJ3030	150	225	56	CX	Cylindrical Roller Bearings
  NNCF4864-V	320	380,3	80	NKE	Cylindrical Roller Bearings
  RNA0-40X50X34ZW	40,000	50,000	34,000	NTN	Needle Roller Bearings
  T-EE134100/134143	254	365,125	58,738	NTN	Tapered Roller Bearings
  UC218	90	160	96	FYH	Deep Groove Ball Bearings
  UCPH201	12			SNR	Bearing Units
  6311K.2RS	55	120	29	SKF	DEEP GROOVE BALL BEARINGS
  HJ-2336	180		17	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  SAF-5112..ROLLER	2.0000			CONSOLIDATED	PILLOW BLOCKS
  N-07			.4480	CONSOLIDATED	LOCKNUTS