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：2025-12-11
• Application:Air,other rubber,agricultural testing and analysis equipment and related,pressure control valve,gas turbine,extruder,mechanical and electrical,Broadcasting System,steam Hydraulic control element,Hydraulic Equipment,Industrial
• Similar models:FBJ 3478/3420 Timken 3478/3420 Timken 3478/3420-B KOYO 3478/3420 NTN 4T-3478/3420 Fersa 3478/3420 NSK 3478/3420 CX 3478/3420 ISO 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
  131097/ 131152X	97	152,4	35	Gamet	Tapered Roller Bearings
  16010ZZ	50	80	10	FBJ	Deep Groove Ball Bearings
  239/1180 CAF/W33	1540	1180	272	SKF	Spherical Roller Bearings
  51124	120	155	25	NTN	Thrust Ball Bearings
  6834	170	215	22	NACHI	Deep Groove Ball Bearings
  AX 5 20 35	20	35	5	Timken	Needle Roller Bearings
  M224749/M224710	120,65		36,513	KOYO	Tapered Roller Bearings
  MJ-24201	38,1	47,625	31,75	NSK	Needle Roller Bearings
  NU1088	440	650	94	CX	Cylindrical Roller Bearings
  NU330-E-M6	150	320	65	NKE	Cylindrical Roller Bearings
  WC488506	30	62	.7874	New Departure	DEEP GROOVE BALL BEARINGS
  6013NR	65	100	18	FAG	DEEP GROOVE BALL BEARINGS
  SN226with6226	130	-	130	SKF	PILLOW BLOCKS
  AL-70	70	125	31	RIV	DEEP GROOVE BALL BEARINGS
  NUP313	65	140	33	STEYR	CYLINDRICAL ROLLER BEARINGS
  MUL219	95	170	32	Rollway	CYLINDRICAL ROLLER BEARINGS
  NU2228E	140	250	68	STEYR	CYLINDRICAL ROLLER BEARINGS
  96716	1.2500	2.0000	1.0000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  K-18x22x14	18	22	14	CONSOLIDATED	NEEDLE BEARINGS
  T7FC050	50	105	29	CONSOLIDATED	TAPERED ROLLER BEARINGS