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：2025-12-20
• Application:gas turbine,vertical sawing machine,chamfer,Small air generators,Pneumatic Control Elements,forklift industry,pipe fittings Steel industry,squeeze machine etc,medical Equipment,Cylinder Pneumatic Treatment Element,meat products machine
• Similar models:Timken 3578/3526 Timken 3578A/3525 NTN 4T-3578/3525 Fersa 3578/3525 FBJ 3578/3520 FBJ 3578/3526 NACHI 3578/3525 Timken 3578/3525B FBJ 3578/3525 Timken 3578/3525
• 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
  71425/71751DC+X2S-71425	107,95	190,5	106,362	Timken	Tapered Roller Bearings
  B250-7	250	340	42	NSK	Deep Groove Ball Bearings
  53204 + U 204	40	20	14,7	SKF	Thrust Ball Bearings
  53311U	55	105	39,3	KOYO	Thrust Ball Bearings
  61912	60	85	13	CRAFT	Deep Groove Ball Bearings
  6207	35	72	17	AST	Deep Groove Ball Bearings
  DAC42820036	42	82	36	ISO	Angular Contact Ball Bearings
  NKS50	50	65	22	AST	Needle Roller Bearings
  NA204-12	19,05	47	34,2	KOYO	Deep Groove Ball Bearings
  NJ2204 EMA	20	47	18	AST	Cylindrical Roller Bearings
  NKI 12/20M	12	24	20	JNS	Needle Roller Bearings
  NU 312 ECJ	130	60	31	SKF	Thrust Ball Bearings
  NUP1010	50	80	16	ISO	Cylindrical Roller Bearings
  NUP2308	40	90	33	KOYO	Cylindrical Roller Bearings
  SI 30	30			ISO	Plain Bearings
  SL181848-E	240	300	28	INA	Cylindrical Roller Bearings
  UKX12+H2312	60	120	38	NACHI	Deep Groove Ball Bearings
  65TAD20	65	100	234413 M.SP	Nachi	ANGULAR CONTACT THRUST BALL BEARINGS
  LJ-13/8-NR	1.3750	3.0000	.6875	RHP	DEEP GROOVE BALL BEARINGS
  SAF-316..BALL	3.6250	3.0000		CONSOLIDATED	PILLOW BLOCKS