d - 280 mm

D - 500 mm

T - 89 mm

B - 80 mm

C - 67 mm

a - 96,2 mm

r min. - 6 mm

r2 min. - 5 mm

da min. - 308 mm

da max - 325 mm

Da min - 440 mm

Da max. - 478 mm

Db min. - 475 mm

ra max. - 5 mm

rb max. - 4 mm

Weight - 67,6 Kg

Basic dynamic load rating (C) - 1260 kN

Basic static load rating (C0) - 1920 kN

(Grease) Lubrication Speed - 610 r/min

(Oil) Lubrication Speed - 810 r/min

Calculation factor (e) - 0,42

Calculation factor (Y0) - 0,79

Calculation factor (Y1) - 1,44

• Model Number: 30256
• Inner Diameter：280mm Outer Diameter：500mm Width：89mm
• Type：Tapered Roller Bearings
• Update date：2025-12-14
• Application:food sterilization,injection molding machine,boring bar boring bar,diving equipment,medical equipment,tower crane,circulating pump,rolling mill roll neck and slowdown device,decoration machinery,noise reduction equipment,Industrial
• Similar models:KOYO 30256 NSK 30256 NACHI 30256 CX 30256A NTN 30256 ISO 30256
• BEARING POWER International Trading Co.,Ltd. specialize in 30256 products，there is large inventory of KOYO 30256 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30256 Which KOYO 30256 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
  23972 CW33	360	480	90	CX	Spherical Roller Bearings
  24052-B-K30-MB	260	400	140	FAG	Spherical Roller Bearings
  B32	61,913	97,64	22,225	INA	Thrust Ball Bearings
  45226	130	200	52	KOYO	Tapered Roller Bearings
  4T-32204	20	47	19,25	NTN	Tapered Roller Bearings
  514636	25	68	19	FAG	Deep Groove Ball Bearings
  6209-2RS	45	85	19	ISO	Deep Groove Ball Bearings
  6907-2RU	35	55	10	KOYO	Deep Groove Ball Bearings
  AST20 30IB30	47,625	52,4		AST	Plain Bearings
  71960 CDMA/P4A	420	300	56	SKF	Angular Contact Ball Bearings
  AST090 6070	60	65		AST	Plain Bearings
  BA 97 Z	14,288	19,05	11,13	IKO	Needle Roller Bearings
  F18012	46,03	73,66	15,875	Fersa	Deep Groove Ball Bearings
  HB75 /S/NS 7CE3	75	105	16	SNFA	Angular Contact Ball Bearings
  NN 3060 SPW33	300	460	118	ISB	Cylindrical Roller Bearings
  PK52.3X61.9X25.4	52,388	61,913		NTN	Needle Roller Bearings
  9114K	70	110	20	FAF	DEEP GROOVE BALL BEARINGS
  LR300				RIV	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  315-SFG	75	160	37	MRC	DEEP GROOVE BALL BEARINGS
  HJ-162416-2RS			1.0000	Torrington	NEEDLE BEARINGS