d - 50,8 mm

D - 92,075 mm

T - 24,608 mm

B - 25,4 mm

C - 19,845 mm

ra1 max. - 0,8 mm

a - 4,6 mm

Da - 83 mm

db - 57 mm

ra max. - 3,5 mm

da - 63 mm

Db - 87 mm

Weight - 0,703 Kg

Basic dynamic load rating (C) - 83,5 kN

Basic static load rating (C0) - 116 kN

(Grease) Lubrication Speed - 4 000 r/min

(Oil) Lubrication Speed - 5 300 r/min

Calculation factor (e) - 0,38

Calculation factor (Y0) - 0,87

Calculation factor (Y2) - 1,59

• Model Number: 4T-28580/28521
• Inner Diameter：50,8mm Outer Diameter：92,075mm Width：24,608mm
• Type：Tapered Roller Bearings
• Update date：2025-04-20
• Application:tapered grinder,lifting equipment Hoisting hoist,Industry,Hydraulic Couplings,wheel lathe,atomizer class,noise reduction equipment,other lathe,beverage production,lifting chain,Industrial equipment
• Similar models:KOYO 28580R/28521 FBJ 28580/28521 Timken 28580/28523 AST 28580/28521 NTN 4T-28580/28520 Timken 28580A/28521 Fersa 28580/28521 ISO 28580A/28521 Timken 28580/28521 Fersa 28580/28527RB
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-28580/28521 products，there is large inventory of NTN 4T-28580/28521 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-28580/28521 Which NTN 4T-28580/28521 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
  22360EK	300	620	185	NACHI	Cylindrical Roller Bearings
  626HZZ	6	19	6	AST	Deep Groove Ball Bearings
  ASTEPBW 0818-015	6	18		AST	Plain Bearings
  BCH1614-P	25,4	33,338	22,225	INA	Needle Roller Bearings
  DL 12 10	12	18	10	KOYO	Needle Roller Bearings
  EC-6208	40	80	18	NTN	Deep Groove Ball Bearings
  F-124147		41		INA	Needle Roller Bearings
  LM8510525-1	75	105	25	NSK	Needle Roller Bearings
  N210	50	90	20	ISO	Cylindrical Roller Bearings
  NJ3328	140	300	118	ISO	Cylindrical Roller Bearings
  TUW1 10	10	20	1,5	CX	Plain Bearings
  UC320	100	215	54	SNR	Deep Groove Ball Bearings
  VKBA 3482				SKF	Wheel Bearings
  NU314	70	150	35	FAG	CYLINDRICAL ROLLER BEARINGS
  SAF-520	3.4375			FAG	PILLOW BLOCKS
  6316K.2RS	80	170	39	FAG	DEEP GROOVE BALL BEARINGS
  94224	.6250	1.1250	1.5000	BERLISS	JOURNAL ROLLER ASSEMBLIES
  NB556835	68		35	NADELLA	NEEDLE BEARINGS
  1623	.6250	1.3750	.4375	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  5307-2RSNR	35	80	34.9	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS