d - 20,638 mm

D - 49,225 mm

T - 19,845 mm

B - 19,845 mm

C - 15,875 mm

R - 1,5 mm

r - 1,5 mm

a - -7,1 mm

Da - 45,5 mm

db - 28,5 mm

da - 26 mm

Db - 42,5 mm

Aa - 0,9 mm

Ab - 1,1 mm

Weight - 0,18 Kg

Basic static load rating (C0) - 43,2 kN

Factor (G1) - 8,6

Factor (G2) - 6,2

Factor (Cg) - 0,0109

Factor (K) - 1,81

Basic dynamic load rating (C90) - 10,5

Basic dynamic load rating (Ca90) - 5,79

Basic dynamic load rating (C1) - 40,4 kN

Calculation factor (e) - 0,32

Calculation factor (Y) - 1,86

• Model Number: 12580/12520
• Inner Diameter：20,638mm Outer Diameter：49,225mm Width：19,845mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:hinge industry,Film machine,medical equipment,die casting mold,horizontal processing,turret industry,inorganic chemical,printing machinery,Security Equipment,Small air generators,Storage Tool
• Similar models:NSK 12580/12520 FBJ 12580/12520 Timken 12580/12520 CX 12580/12520 ISO 12580/12520 KOYO 12580/12520 NTN 4T-12580/12520 NACHI 12580/12520
• BEARING POWER International Trading Co.,Ltd. specialize in 12580/12520 products，there is large inventory of Timken 12580/12520 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 12580/12520 Which Timken 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
  1380/1328B	22,225	52,388	20,168	Timken	Tapered Roller Bearings
  23196 KCW33+H3196	480	790	248	ISO	Spherical Roller Bearings
  24176R	380	620	243	KOYO	Spherical Roller Bearings
  3006-B-TVH	30	55	19	FAG	Angular Contact Ball Bearings
  60880 MA	500	400	31	SKF	Deep Groove Ball Bearings
  33019	95	145	39	FBJ	Tapered Roller Bearings
  5133				Ruville	Wheel Bearings
  54316-MP+U316	65	140	86,1	NKE	Thrust Ball Bearings
  634	16	4	5	SKF	Deep Groove Ball Bearings
  7008 ACE/P4A	68	40	15	SKF	Angular Contact Ball Bearings
  7209CDF	45	85	19	CYSD	Angular Contact Ball Bearings
  AST50 72IB36	114,3			AST	Plain Bearings
  CUS207-22	34,925	72	17	SNR	Deep Groove Ball Bearings
  F605-2Z	5	14	5	ZEN	Deep Groove Ball Bearings
  LJT3/4	19.05	47,625	14,2875	RHP	Angular Contact Ball Bearings
  LM3015	25	37	15,2	NSK	Needle Roller Bearings
  MR82X	2,5	8	2,5	ISO	Deep Groove Ball Bearings
  NU2226	130	230	64	ISO	Cylindrical Roller Bearings
  KLNJ3/8-2RS	.3750	.8750	.2812	RHP	DEEP GROOVE BALL BEARINGS
  23932	160	220	45	CONSOLIDATED	SPHERICAL ROLLER BEARINGS