d - 20.638 mm

D - 49.225 mm

T - 19.845 mm

B - 19.845 mm

C - 15.875 mm

a - 7.1 mm

r1 min. - 1.5 mm

r2 min. - 1.5 mm

Weight - 0,181 Kg

Basic dynamic load rating (C) - 36000 kN

Basic static load rating (C0) - 37000 kN

(Grease) Lubrication Speed - 8000 r/min

(Oil) Lubrication Speed - 11000 r/min

Calculation factor (e) - 0.32

Calculation factor (Y0) - 1.0

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：2025-12-11
• Application:stamping die,bio-chemical,Textile Accessories,Workpiece,bag machine,blood cell reagent,Automobile,stacker lift platform,Hydraulic Hose,joint protection,Cylinder Standard
• Similar models:FBJ 12580/12520 ISO 12580/12520 NTN 4T-12580/12520 NACHI 12580/12520 KOYO 12580/12520 NSK 12580/12520 Timken 12580/12520 CX 12580/12520
• BEARING POWER International Trading Co.,Ltd. specialize in 12580/12520 products，there is large inventory of NACHI 12580/12520 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 12580/12520 Which NACHI 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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  AST800 3040	30	34		AST	Plain Bearings
  LM102949/LM102911	45,242	73,431	21,43	Fersa	Tapered Roller Bearings
  L555249/L555210D+A	292,1	374,65	104,775	NTN	Tapered Roller Bearings
  NU2928	140	190	30	CX	Cylindrical Roller Bearings
  SS7201 ACD/P4A	12	32	10	SKF	Angular Contact Ball Bearings
  UCP313	65			SNR	Bearing Units
  F683ZZS	3	7	3	ISC	DEEP GROOVE BALL BEARINGS
  SN326with6326	130	-	160	SKF	PILLOW BLOCKS
  AH3888	440	420		SKF	WITHDRAWAL SLEEVES
  SL014932	160	220	60	INA	CYLINDRICAL ROLLER BEARINGS
  120BIA520	12.0000	18.5000	2.6250	Torrington	ANGULAR CONTACT BALL BEARINGS
  6216-Z	80	140	26	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  53204-U				CONSOLIDATED	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING