d - 20,638 mm

D - 49,225 mm

T - 19,845 mm

B - 19,845 mm

C - 15,875 mm

a - 12,7 mm

r min. - 1,6 mm

r2 min. - 1,6 mm

da min. - 28,5 mm

Da - 42,5 mm

db min - 26 mm

ra max. - 1,6 mm

rb max. - 1,6 mm

Db - 45,5 mm

Weight - 0,183 Kg

Basic dynamic load rating (C) - 36,4 kN

Basic static load rating (C0) - 37,7 kN

(Grease) Lubrication Speed - 8600 r/min

(Oil) Lubrication Speed - 12000 r/min

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1,02

Calculation factor (Y1) - 1,86

• Model Number: 12580/12520
• Inner Diameter：20,638mm Outer Diameter：49,225mm Width：19,845mm
• Type：Tapered Roller Bearings
• Update date：2025-04-19
• Application:universal category,Microwave Equipment,forklift truck,key lock,supporting facilities,relay,hanging clamp,gear grinding machine,flow control valve,Generator,Wire grinder
• Similar models:NACHI 12580/12520 NTN 4T-12580/12520 ISO 12580/12520 FBJ 12580/12520 CX 12580/12520 Timken 12580/12520 NSK 12580/12520 KOYO 12580/12520
• BEARING POWER International Trading Co.,Ltd. specialize in 12580/12520 products，there is large inventory of KOYO 12580/12520 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 12580/12520 Which KOYO 12580/12520 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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  24122B	110	180	69	NTN	Spherical Roller Bearings
  45236	180	280	74	KOYO	Tapered Roller Bearings
  7219-B	95	170	32	SIGMA	Angular Contact Ball Bearings
  AST090 13090	130	135		AST	Plain Bearings
  BAM 218	33,338	41,275	12,7	IKO	Needle Roller Bearings
  HC7012-E-T-P4S	60	95	18	FAG	Angular Contact Ball Bearings
  K90X97X20	90	97		INA	Needle Roller Bearings
  LJT1.5/8	41,275	88,9	19,05	RHP	Angular Contact Ball Bearings
  NJ213E	65	120	23	NTN	Cylindrical Roller Bearings
  QJM2.1/4	57,15	127	31,75	RHP	Angular Contact Ball Bearings
  R1031	50,000	120,000	87,000	NTN	Cylindrical Roller Bearings
  RTC150	150	240	12	INA	Complex Bearings
  SL185006	30	49,6	34	NBS	Cylindrical Roller Bearings
  YAR 207-104-2F	72	31,75	42,9	SKF	Deep Groove Ball Bearings
  118-KSG	90	140	24	MRC	DEEP GROOVE BALL BEARINGS
  Q3214X5	70	125	24	New Departure	DEEP GROOVE BALL BEARINGS
  GE180TXA-2LS	180	260	105	SKF	SPHERICAL PLAIN BEARINGS
  6303-K	17	47	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SN-307..1307	35	-	60	CONSOLIDATED	PILLOW BLOCKS