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：2025-12-16
• Application:crimping tools,other mold,pipe fittings Steel industry,Pneumatic Actuator,flow control valve,stirrer,medical equipment,Cylinder Type,CNC,machine tool spindle,vertical sawing machine
• Similar models:KOYO 30256 ISO 30256 CX 30256A NSK 30256 NTN 30256 NACHI 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
  30320	100	215	51,5	ISB	Tapered Roller Bearings
  6201	12	32	10	ZEN	Deep Groove Ball Bearings
  6207N	35	72	17	SKF	Deep Groove Ball Bearings
  6328	140	300	62	CRAFT	Deep Groove Ball Bearings
  69/2,5SSA	2,5	7	3,5	NTN	Deep Groove Ball Bearings
  692 XZZ	2,5	7	3,5	NSK	Deep Groove Ball Bearings
  K14X20X17	14,000	20,000		NTN	Needle Roller Bearings
  LM283649/LM283610G2	749,3	990,6	159,5	NTN	Tapered Roller Bearings
  NA4834	170	215	45	ISO	Needle Roller Bearings
  NAO80X110X30	80	110		KOYO	Needle Roller Bearings
  NJ 318 ECML	190	90	43	SKF	Thrust Ball Bearings
  NJ1038	190	290	46	ISO	Cylindrical Roller Bearings
  QJL 4.1/2	114,3	203,2	33,3375	SIGMA	Angular Contact Ball Bearings
  S6000	10	26	8	ZEN	Deep Groove Ball Bearings
  UCFL215-48	76,2			KOYO	Bearing Units
  NM48	6.0000	12.0000	2.2500	STEYR	CYLINDRICAL ROLLER BEARINGS
  SAF-610111/16..ROLLER	1.6875			CONSOLIDATED	PILLOW BLOCKS
  AHX-2330x145	150	145		CONSOLIDATED	WITHDRAWAL SLEEVES
  KA-120ARO	12.0000	12.5000	.2500	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  SIC70ES	70		49	CONSOLIDATED	ROD ENDS