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 - 7,1 mm

Da - 42,5 mm

db - 26 mm

ra max. - 1,5 mm

da - 28,5 mm

Db - 45,5 mm

Weight - 0,182 Kg

Basic dynamic load rating (C) - 37,5 kN

Basic static load rating (C0) - 39 kN

(Grease) Lubrication Speed - 8 200 r/min

(Oil) Lubrication Speed - 11 000 r/min

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1,02

Calculation factor (Y2) - 1,86

• Model Number: 4T-12580/12520
• Inner Diameter：20,638mm Outer Diameter：49,225mm Width：19,845mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Industrial,rolling mill roll neck and slowdown device,electrocardiograph,bio-chemical,Textile Industry Accessories and Accessories,security,Dental Equipment,horizontal processing,vertical sawing machine,tire industry,ship special
• Similar models:FBJ 12580/12520 ISO 12580/12520 Timken 12580/12520 NTN 4T-12580/12520 NACHI 12580/12520 NSK 12580/12520 CX 12580/12520 KOYO 12580/12520
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-12580/12520 products，there is large inventory of NTN 4T-12580/12520 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-12580/12520 Which NTN 4T-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
  17119/17244	30,162	62	16,002	Timken	Tapered Roller Bearings
  2208E-2RS1KTN9	40	80	23	SKF	Self-Aligning Ball Bearings
  24126-E1-K30	130	210	80	FAG	Spherical Roller Bearings
  30236J/DF	180	320	114	ISB	Tapered Roller Bearings
  46T090804ALZF	43	77	42	KOYO	Tapered Roller Bearings
  7032CDT	160	240	38	CYSD	Angular Contact Ball Bearings
  7310 BEGBP	110	50	27	SKF	Angular Contact Ball Bearings
  7319DB	95	200	45	NTN	Angular Contact Ball Bearings
  EXFE212	60			SNR	Bearing Units
  GE30-UK	30	47	22	INA	Plain Bearings
  HJ-486028RS	76,2	95,25	44,45	KOYO	Needle Roller Bearings
  KFC200	508	546,1	19,05	KOYO	Deep Groove Ball Bearings
  N 1013 KPHA/SP	65	100	18	SKF	Cylindrical Roller Bearings
  NK5/10TN	5	10	10	AST	Needle Roller Bearings
  NU5234	170	310	104,77	ISO	Cylindrical Roller Bearings
  QJM 3	76,2	177,8	39,69	SIGMA	Angular Contact Ball Bearings
  11204TVH	20	47	14	FAG	SELF
  6813ZZ	65	85	10	NSK	DEEP GROOVE BALL BEARINGS
  RSTO45	85		19.8	INA	NEEDLE BEARINGS
  MUC215	75	130	25	Rollway	CYLINDRICAL ROLLER BEARINGS