d - 20,638 mm

D - 49,225 mm

T - 19,845 mm

B - 19,845 mm

C - 15,875 mm

ra1 max. - 1,5 mm

a - 12,9 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

Da - 42,5 mm

db - 26 mm

ra max. - 1,5 mm

da - 28,5 mm

Db - 45,5 mm

Weight - 0,181 Kg

Basic dynamic load rating (C) - 36 kN

Basic static load rating (C0) - 37 kN

(Grease) Lubrication Speed - 8000 r/min

(Oil) Lubrication Speed - 11000 r/min

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1

Calculation factor (Y1) - 1,9

• Model Number: 12580/12520
• Inner Diameter：20,638mm Outer Diameter：49,225mm Width：19,845mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Other Measurements,Warehouse Shelf Equipment,Broadcasting System,expectoration machine,aerial work platform,Forklift industry,scientific instruments,Cylinder Micro,medical equipment,Dental Equipment,raw material accessories
• Similar models:NSK 12580/12520 Timken 12580/12520 NACHI 12580/12520 NTN 4T-12580/12520 ISO 12580/12520 CX 12580/12520 FBJ 12580/12520 KOYO 12580/12520
• BEARING POWER International Trading Co.,Ltd. specialize in 12580/12520 products，there is large inventory of NSK 12580/12520 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 12580/12520 Which NSK 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  10408	40	110	27	SIGMA	Self-Aligning Ball Bearings
  248/1120CAFA/W20	1120	1360	243	SKF	Spherical Roller Bearings
  23084CCW33MBC3	420	620	150	PSL	Spherical Roller Bearings
  46326	130	210	64	KOYO	Tapered Roller Bearings
  511/530	530	640	85	KOYO	Thrust Ball Bearings
  60/32	32	58	13	NTN	Deep Groove Ball Bearings
  6026-2Z	130	200	33	FAG	Deep Groove Ball Bearings
  71821 CD/HCP4	130	105	13	SKF	Angular Contact Ball Bearings
  7210 ADB	50	90	40	ISO	Angular Contact Ball Bearings
  A33KD3	3,175	9,525	3,96	Timken	Deep Groove Ball Bearings
  BH-1010	15.875	22.212	15.88	KOYO	Needle Roller Bearings
  M-10121	15,875	20,638	19,05	NSK	Needle Roller Bearings
  M802048/M802011	41,275	82,55	26,543	NSK	Tapered Roller Bearings
  N309EG15	45,000	100,000	25,000	SNR	Cylindrical Roller Bearings
  NF232	160	290	48	FAG	CYLINDRICAL ROLLER BEARINGS
  RLS8	.7500	1.8750	.5625	FBC	CYLINDRICAL ROLLER BEARINGS
  94622	1.1250	1.6250	1.3750	Hyatt	JOURNAL ROLLER ASSEMBLIES
  6409NR	45	120	29	SKF	DEEP GROOVE BALL BEARINGS
  RS-5024NR	120	180	80	NSK	CYLINDRICAL ROLLER BEARINGS
  699-ZZ	9	20	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS