d - 34,925 mm

D - 79,375 mm

T - 29,37 mm

B - 29,771 mm

C - 23,812 mm

ra1 max. - 3,3 mm

a - 8,7 mm

Da - 67 mm

db - 43,5 mm

ra max. - 3,5 mm

da - 50 mm

Db - 74 mm

Weight - 0,725 Kg

Basic dynamic load rating (C) - 93 kN

Basic static load rating (C0) - 114 kN

(Grease) Lubrication Speed - 4 900 r/min

(Oil) Lubrication Speed - 6 600 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y2) - 1,64

• Model Number:4T-3478/3420
• Inner Diameter：34,925mm Outer Diameter：79,375mm Width：29,37mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:safety testing,forklift industry,Equipment,rubber products machinery and equipment,bathroom facilities,Anti-defibrillation pacing,Optical detection,Machine Tool Accessories,Roller mill,Vertical machining,tray industry
• Similar models:FBJ 3478/3420 ISO 3478/3420 Timken 3478/3420 NSK 3478/3420 Timken 3478/3420-B KOYO 3478/3420 Fersa 3478/3420 CX 3478/3420 NTN 4T-3478/3420
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-3478/3420 products，there is large inventory of NTN 4T-3478/3420 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-3478/3420 Which NTN 4T-3478/3420 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
  206210/206290C	210	290	47	Gamet	Tapered Roller Bearings
  2313-K+H2313	65	140	48	NKE	Self-Aligning Ball Bearings
  AST090 19560	195	200		AST	Plain Bearings
  45FSF68	45	68	32	NSK	Plain Bearings
  51408	40	90	36	SKF	Thrust Ball Bearings
  53409	45	100		CX	Thrust Ball Bearings
  55TAB10DB	55	100	20	NACHI	Thrust Ball Bearings
  5S-7008UCG/GNP42	40	68	15	NTN	Angular Contact Ball Bearings
  6214	70	125	24	ISO	Deep Groove Ball Bearings
  7016C	80	125	22	CYSD	Angular Contact Ball Bearings
  81128 TN	180	140	31	SKF	Cylindrical Roller Bearings
  BD130-1WSA	130	166	34	NTN	Angular Contact Ball Bearings
  CSXB080	203,2	219,075	7,938	INA	Deep Groove Ball Bearings
  KLNJ1/4	6,35	19,05	5,55625	RHP	Deep Groove Ball Bearings
  M231649/10	152,4	222,25	46,83	CX	Tapered Roller Bearings
  SC050617CVC3	25	62	17	KOYO	Cylindrical Roller Bearings
  B34	3.9687	2.5625		INA	THRUST BALL BEARINGS
  AH314	70	65		SKF	WITHDRAWAL SLEEVES
  STO25	25	52	16	Torrington	NEEDLE BEARINGS
  62072RSNR	72	.203	17	SKF	DEEP GROOVE BALL BEARINGS