d - 44,45 mm

D - 87,312 mm

T - 30,162 mm

B - 30,886 mm

C - 23,812 mm

ra1 max. - 3,3 mm

a - 10 mm

Da - 75 mm

db - 51 mm

ra max. - 3,5 mm

da - 57 mm

Db - 81 mm

Weight - 0,779 Kg

Basic dynamic load rating (C) - 94 kN

Basic static load rating (C0) - 117 kN

(Grease) Lubrication Speed - 4 400 r/min

(Oil) Lubrication Speed - 5 900 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,08

Calculation factor (Y2) - 1,96

• Model Number: 4T-3578/3525
• Inner Diameter：44,45mm Outer Diameter：87,312mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-13
• Application:Industrial equipment,circulating pump,boring bar boring bar,thread processing machine,Vertical pull,static control,lifting tackle,survey accessories,medical equipment,Machine Tool Accessories,car shock absorber
• Similar models:NTN 4T-3578/3520 NACHI 3578/3525 NTN 4T-3578/3525 ISO 3578/3525 Timken 3578/3520 ISO 3578/3520 KOYO 3578R/3520 NSK 3578/3525 CX 3578/3526 ISO 3578/3526
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-3578/3525 products，there is large inventory of NTN 4T-3578/3525 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-3578/3525 Which NTN 4T-3578/3525 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
  32009VC12UA	45	75	20,02	SNR	Tapered Roller Bearings
  32220	100	180	49	ISO	Tapered Roller Bearings
  6818ZZ	90	115	13	NACHI	Deep Groove Ball Bearings
  7018C	90	140	24	NTN	Angular Contact Ball Bearings
  7302CDB/GNP5	15	42	26	NTN	Angular Contact Ball Bearings
  839/832-B	82,55	168,275	56,363	Timken	Tapered Roller Bearings
  EGB4030-E40	40	44	30	INA	Plain Bearings
  G1015KLLB	23,8125	52	34,92	Timken	Deep Groove Ball Bearings
  LM739749/LM739710	196,85	257,175	39,688	KOYO	Tapered Roller Bearings
  JT-1417	22.225	28.575	26.97	KOYO	Needle Roller Bearings
  MF137ZZ	7	13	4	FBJ	Deep Groove Ball Bearings
  NFV18/670	670,000	820,000	69,000	NTN	Cylindrical Roller Bearings
  NK135X188X121	135,000	188,000	120,000	NTN	Needle Roller Bearings
  YAR 210-2F	90	50	51,6	SKF	Deep Groove Ball Bearings
  XW-12				INA	THRUST BALL BEARINGS
  63801-2RS	12	21	7	ELGES	DEEP GROOVE BALL BEARINGS
  SX011820	100	125	13	INA	CROSSED ROLLER BEARINGS
  UCP209S6PL	45			FYH	THERMOPLASTIC PILLOW BLOCKS
  LRJ15E	15.0000	22.5000	3.0000	RHP	CYLINDRICAL ROLLER BEARINGS
  51101				CONSOLIDATED	THRUST BALL BEARINGS