d - 42,875 mm

D - 83,058 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

ra1 max. - 3,3 mm

a - 17,6 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 72 mm

db - 49 mm

ra max. - 3,5 mm

da - 55 mm

Db - 77 mm

Weight - 0,582 Kg

Basic dynamic load rating (C) - 76,5 kN

Basic static load rating (C0) - 99 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y1) - 1,8

• Model Number: 25577/25521
• Inner Diameter：42,875mm Outer Diameter：83,058mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:pressure control valve,Leather Products,car instrument,Pump,medical equipment,X-ray Equipment,crimping tools,Chromatography Products,Plastic Equipment,hydraulic cylinder buffer,special broaching machine
• Similar models:NTN 4T-25577/25523 NTN 4T-25577/25520 Timken 25577/25519 Timken 25577/25520 NACHI H-25577/H-25523 FBJ 25577/25520 Fersa 25577/25522 NACHI 25577/25520 FAG K25577-25523 Fersa 25577/25521
• BEARING POWER International Trading Co.,Ltd. specialize in 25577/25521 products，there is large inventory of NSK 25577/25521 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 25577/25521 Which NSK 25577/25521 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.

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  6379/6320	65,088	135,755	53,975	KOYO	Tapered Roller Bearings
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  CX106				CX	Wheel Bearings
  GAKR 30 PB	30	55	37	INA	Plain Bearings
  K12X15X10	12	15	10	FBJ	Needle Roller Bearings
  NA4911TT	55	80	26	NSK	Needle Roller Bearings
  NA6919-2RS	95	130	63	CRAFT	Needle Roller Bearings
  NAXK50	50	62		KOYO	Complex Bearings
  NCF3005-V	25	42,7	16	NKE	Cylindrical Roller Bearings
  NF18/710	710	870	74	CX	Cylindrical Roller Bearings
  NK 6/12-TN-XL	6	12	12	INA	Needle Roller Bearings
  NU 2268	340	620	165	ISB	Cylindrical Roller Bearings
  NU2307	35,000	80,000	31,000	NTN	Cylindrical Roller Bearings
  SAZJ15	15,875		19,05	AST	Plain Bearings
  SL014914	70	100	30	NBS	Cylindrical Roller Bearings
  88504	20	47	.5511	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  RLS-261/2-LL	8.5000	14.0000	2.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  N-14			.5730	CONSOLIDATED	LOCKNUTS