d - 44,45 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 - 51 mm

ra max. - 3,5 mm

da - 56 mm

Db - 78 mm

Weight - 0,56 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: 25580/25521
• Inner Diameter：44,45mm Outer Diameter：83,058mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:tobacco machinery,electric pump,Tool,wheel lathe,Pest Monitoring,Machine Tool Accessories,floor industry,electromyography machine,Spectrum Products,Broadcasting System,ventilator anesthesia machine etc
• Similar models:KOYO 25580/25524 SKF 25580/25522/Q CX 25580/25522 AST 25580/25522 Fersa 25580/25522 ISO 25580/25522 NTN 4T-25580/25520 SKF 25580/25520/Q Timken 25580/25523 ZVL K-25580/K-25521
• BEARING POWER International Trading Co.,Ltd. specialize in 25580/25521 products，there is large inventory of NSK 25580/25521 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 25580/25521 Which NSK 25580/25521 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
  23032EMKW33	160,000	240,000	60,000	SNR	Thrust Roller Bearings
  54307 U 307	30	68	47,19	ISB	Thrust Ball Bearings
  562956	280	356		NTN	Thrust Ball Bearings
  6007-2Z-N	35	62	14	NKE	Deep Groove Ball Bearings
  7312BDT	60	130	31	CYSD	Angular Contact Ball Bearings
  AST090 12060	120	125		AST	Plain Bearings
  G1115KPPB3	49,2125	90	49,21	Timken	Deep Groove Ball Bearings
  HB50 /S 7CE1	50	72	12	SNFA	Angular Contact Ball Bearings
  HK 3012	30	37	12	NBS	Needle Roller Bearings
  UCP314	70			ISO	Bearing Units
  NF204	20	47	14	FAG	CYLINDRICAL ROLLER BEARINGS
  KM29			24	FAG	LOCKNUTS
  CCYRD-23/4	.7500	2.7500	1.5625	McGill	YOKE TYPE TRACK ROLLER
  W-23/8				FAG	THRUST BALL BEARINGS
  4431	2.2500	2.4375	2.0000	Hyatt	JOURNAL ROLLER BEARING OUTER RACES
  NF316E	80	170	39	SKF	CYLINDRICAL ROLLER BEARINGS
  22244	220	400	108	Torrington	SPHERICAL ROLLER BEARINGS
  GEZ600ES	6.0000	8.7500	4.7500	SKF	SPHERICAL PLAIN BEARINGS
  6016.2ZNR	80	125	22	SKF	DEEP GROOVE BALL BEARINGS
  81132			12	CONSOLIDATED	THRUST ROLLER BEARINGS