d - 49,987 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 - 56 mm

ra max. - 2,3 mm

da - 60 mm

Db - 87 mm

Weight - 0,718 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-28579/28521
• Inner Diameter：49,987mm Outer Diameter：92,075mm Width：24,608mm
• Type：Tapered Roller Bearings
• Update date：2025-12-23
• Application:diving equipment,engineering machine,multi-knife lathe,Seals,milling head plug,engineering machinery,horizontal processing,spreader series,medical equipment,medical equipment,tray industry
• Similar models:FBJ 28579/28521 CX 28579/28520 ISO 28579/28520 Timken 28579/28521B FBJ 28579/28520 Timken 28579/28520 NTN 4T-28579/28521 Timken 28579/28521 KOYO 28579R/28521 Fersa 28579/28520
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-28579/28521 products，there is large inventory of NTN 4T-28579/28521 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-28579/28521 Which NTN 4T-28579/28521 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
  342/332	41,275	80	21	FBJ	Tapered Roller Bearings
  607	7	19	6	ISB	Deep Groove Ball Bearings
  62208-2RS	40	80	23	ISB	Deep Groove Ball Bearings
  7006 ACD/HCP4A	55	30	13	SKF	Angular Contact Ball Bearings
  7206 ADF	30	62	32	ISO	Angular Contact Ball Bearings
  7210DB	50	90	20	NACHI	Angular Contact Ball Bearings
  80FSF120	80	120	55	NSK	Plain Bearings
  911	55	88	24,5	INA	Thrust Ball Bearings
  CRB 20030	200	280	30	IKO	Thrust Roller Bearings
  GE6E	6	14	6	CRAFT	Plain Bearings
  HK2524-2RS	25	32	24	INA	Needle Roller Bearings
  KJ25X30X25	25,000	30,000		NTN	Needle Roller Bearings
  K81126TN	130	170		NBS	Thrust Roller Bearings
  RS-4880E4	400	500	100	NSK	Cylindrical Roller Bearings
  NN3088C1NAP4	440	650	157	NTN	Cylindrical Roller Bearings
  NU2307 E	35	80	31	AST	Cylindrical Roller Bearings
  RNA 49/82U	95	115	30	IKO	Needle Roller Bearings
  RNU3824	190,000	340,000	220,000	NTN	Cylindrical Roller Bearings
  20220	100	180	34	FAG	SPHERICAL ROLLER BEARINGS
  53416U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING