d - 280 mm

D - 500 mm

T - 89 mm

B - 80 mm

C - 67 mm

a - 98,5 mm

r min. - 6 mm

r1 min. - 5 mm

da min. - 313 mm

Da min - 436 mm

Da max. - 478 mm

db max. - 339 mm

Db min. - 462 mm

ra max. - 5 mm

rb max. - 4 mm

Weight - 66,3 Kg

Basic dynamic load rating (C) - 1240 kN

Basic static load rating (C0) - 1900 kN

(Grease) Lubrication Speed - 630 r/min

(Oil) Lubrication Speed - 850 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,74

Calculation factor (Y1) - 1,4

• Model Number: 30256
• Inner Diameter：280mm Outer Diameter：500mm Width：89mm
• Type：Tapered Roller Bearings
• Update date：2025-04-21
• Application:ship special,product accessories,car and accessories,engine,standing experimental equipment,pipe fittings Steel industry,Other machinery,powder metallurgy,industrial fans,Hydraulic Press,motor
• Similar models:NACHI 30256 CX 30256A KOYO 30256 ISO 30256 NSK 30256 NTN 30256
• BEARING POWER International Trading Co.,Ltd. specialize in 30256 products，there is large inventory of NSK 30256 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 30256 Which NSK 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
  141101X/141165XG	101,6	165,1	87	Gamet	Tapered Roller Bearings
  23188 KCW33+AH3188	440	720	226	CX	Spherical Roller Bearings
  24180	400	650	250	ISB	Spherical Roller Bearings
  3210-2RS	50	90	30,2	ISB	Angular Contact Ball Bearings
  32209J2/Q	45	85	24,75	SKF	Tapered Roller Bearings
  3659/3620	23,812	61,912	28,575	ISO	Tapered Roller Bearings
  71919 ACE/HCP4AH1	130	95	18	SKF	Angular Contact Ball Bearings
  HK6524	65	73	24	CX	Cylindrical Roller Bearings
  JHM534149/10	170	230	39	ISO	Tapered Roller Bearings
  N111KLL	42,8625	100	42,86	Timken	Deep Groove Ball Bearings
  N208 E	40	80	18	CX	Cylindrical Roller Bearings
  NKI55/35	55	72	35	CX	Needle Roller Bearings
  NU3328	140	300	118	ISO	Cylindrical Roller Bearings
  PCMW 122401.5 E	12	24	1,5	SKF	Plain Bearings
  SYFWK 1.3/8 LTHR	34,925	48	32,5	SKF	Bearing Units
  UCSP203	17			SNR	Bearing Units
  WTPC-527-2	5.9680	6.3750		American	THRUST ROLLER BEARINGS
  1212F	60	110	22	FED	DEEP GROOVE BALL BEARINGS
  93216	.6250	1.0000	1.0000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  RNAF18x30x12	30		12	SKF (Old No.)	NEEDLE BEARINGS