d - 31,75 mm

D - 69,85 mm

T - 23,812 mm

B - 25,357 mm

C - 19,05 mm

ra1 max. - 1,3 mm

a - 9,1 mm

Da - 61 mm

db - 37,5 mm

ra max. - 0,8 mm

da - 38,5 mm

Db - 64 mm

Weight - 0,454 Kg

Basic dynamic load rating (C) - 69 kN

Basic static load rating (C0) - 81,5 kN

(Grease) Lubrication Speed - 5 700 r/min

(Oil) Lubrication Speed - 7 600 r/min

Calculation factor (e) - 0,27

Calculation factor (Y0) - 1,21

Calculation factor (Y2) - 2,19

• Model Number:4T-2580/2523
• Inner Diameter：31,75mm Outer Diameter：69,85mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:stamping die and its equipment,chromatography,Hydraulic Press,Spectrum Products,safety testing,Display Devices,Body shaping,training beds etc,Pneumatic Actuator,flow control valve,circulating pump
• Similar models:Fersa 2580/2523 NACHI 12580/12520 FBJ 2580/2520 Fersa 2580/2520 KOYO 2580/2520 NACHI H-2580/H-2523 ISO 2580/2520 Timken 2580/2520 CX 2580/2523 Timken 2580/2530
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-2580/2523 products，there is large inventory of NTN 4T-2580/2523 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-2580/2523 Which NTN 4T-2580/2523 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
  424X/414	36,512		29,083	KOYO	Tapered Roller Bearings
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  F634ZZ	4	16	5	ISB	Deep Groove Ball Bearings
  HK1612	16	22	12	KOYO	Needle Roller Bearings
  LM48548/LM48510	34,925	65,0875	18,034	AST	Tapered Roller Bearings
  RCJTY1/2	12,7			INA	Bearing Units
  SI30T/K	30			CRAFT	Plain Bearings
  UCTX15-47E	74,6125			KOYO	Bearing Units
  UK311+H-32	50,8	120	59	SNR	Deep Groove Ball Bearings
  HK6020	68		20	FAG	NEEDLE BEARINGS
  MB170-SA	170	260	54	RBC	SPHERICAL PLAIN BEARINGS
  280SD32	280	500	176	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  FCRS-16R	6	16	11	NSK	NEEDLE BEARINGS
  3352	260	540	102	New Departure	DEEP GROOVE BALL BEARINGS
  CR-2-XB	.8750	2.0000	1.2500	Smith	NEEDLE BEARINGS
  R-3FF	.1875	.5000	.1960	MRC	DEEP GROOVE BALL BEARINGS
  K-18x24x13	18	24	13	CONSOLIDATED	NEEDLE BEARINGS
  81118			9	CONSOLIDATED	THRUST ROLLER BEARINGS
  TER-130V	174	139.42	31	CONSOLIDATED	TRIPLE RING TACONITE SEALS FOR SAF TYPE PILLOW BLOCKS