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：2025-04-18
• Application:decoration machinery,Machine tool accessories,storage and transportation equipment,switch,engineering machinery,electromyography machine,storage shelves,wall industry,top industry,Hydraulic Press,quality inspection equipment
• Similar models:NACHI 25577/25520 NTN 4T-25577/25522 NSK 25577/25521 Timken 25577/25519 Timken 25577/25520 Fersa 25577/25521 NACHI 25577/25521 NTN 4T-25577/25521 FAG K25577-25523 AST 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  19138/19268	34,976	68,262	15,875	NSK	Tapered Roller Bearings
  22324UAVS2	120,000	260,000	86,000	NTN	Thrust Roller Bearings
  315WD	75	160	37	Timken	Deep Groove Ball Bearings
  32303-A	17	47	20,25	FAG	Tapered Roller Bearings
  5205NREEG15	25,000	52,000	20,600	SNR	Angular Contact Ball Bearings
  6201/HR11TN	32	12	10	SKF	Deep Groove Ball Bearings
  64450R/64700	114,3	177,8	41,275	KOYO	Tapered Roller Bearings
  7209 BECBJ	85	45	19	SKF	Angular Contact Ball Bearings
  F-84874.3	35	62	20	INA	Cylindrical Roller Bearings
  H71944AC/HQ1	220	300	38	AST	Angular Contact Ball Bearings
  MBY3CR	3	10	8	NMB	Plain Bearings
  NF244	220	400	65	KOYO	Cylindrical Roller Bearings
  NU 2213	65	120	31	NACHI	Cylindrical Roller Bearings
  NU1088	440	650	94	NTN	Cylindrical Roller Bearings
  NJ1096	480	700	100	SKF	CYLINDRICAL ROLLER BEARINGS
  23220CC	100	180	60.3	SKF	SPHERICAL ROLLER BEARINGS
  206-SFF-ST	30	62	16	MRC	DEEP GROOVE BALL BEARINGS
  6209K.2RS	45	85	19	SKF	DEEP GROOVE BALL BEARINGS
  LRJ13/8	1.3750	3.0000	.6875	RHP	CYLINDRICAL ROLLER BEARINGS
  AH-3964x300	320	300		CONSOLIDATED	WITHDRAWAL SLEEVES