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：2025-12-09
• Application:electromyography machine,hydraulic cylinder,Cylinder Pneumatic Treatment Element,electric pump,stamping die and its equipment,other accessories,Hair styling device,multi-knife lathe,Machine Tool Accessories,chemical,Dental Equipment
• Similar models:NACHI 12580/12520 ISO 12580/12520 FBJ 12580/12520 KOYO 12580/12520 Timken 12580/12520 NTN 4T-12580/12520 NSK 12580/12520 CX 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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  M-16121	25,4	31,75	19,05	NSK	Needle Roller Bearings
  NA 6914	70	100	54	JNS	Needle Roller Bearings
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  VKBA7575	38	72	37	SKF	Angular Contact Ball Bearings
  52424				FAG	THRUST BALL BEARINGS
  RNA6911	80		45	FAG	NEEDLE BEARINGS
  R170E	70	125	24	HOFF	CYLINDRICAL ROLLER BEARINGS
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  NU-2934E	170	230	36	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS