d - 280 mm

D - 380 mm

B - 100 mm

C - 100 mm

d1 - 318 mm

r min. - 2.1 mm

D1 - 342.5 mm

da min. - 293 mm

Da max. - 367 mm

ra max. - 2 mm

Weight - 33.9 Kg

Basic dynamic load rating (C) - 1110 kN

Basic static load rating (C0) - 2780 kN

(Grease) Lubrication Speed - 350 r/min

(Oil) Lubrication Speed - 700 r/min

• Model Number:RB4956
• Inner Diameter：280mm Outer Diameter：380mm Width：100mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:leather processing,rolling mill roll neck and slowdown device,pump accessories,product accessories,education model Instruments,key lock,pump industry,Rolling mill gear box,hot and cold box,Optical Instruments,Textile Accessories
• Similar models:NACHI NNU4956 NTN NNU4956KC1NAP4 CX NNU4956K ISO NNCL4956V NKE NNCL4956-V NBS SL014956 CX NN4956K CX NNU4956KV NTN NN4956KC1NAP4 NTN NNU4956K
• BEARING POWER International Trading Co.,Ltd. specialize in RB4956 products，there is large inventory of NACHI RB4956 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the RB4956 Which NACHI RB4956 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
  231S.1000	254	460	146	FAG	Spherical Roller Bearings
  24192 K30 CW33	460	760	300	CX	Spherical Roller Bearings
  619/5-2RS	5	13	4	ISO	Deep Groove Ball Bearings
  6414	70	170	42	ZEN	Deep Groove Ball Bearings
  71921 CD/P4AL	145	105	20	SKF	Angular Contact Ball Bearings
  938/932	114.300	212.725	66.675	NACHI	Tapered Roller Bearings
  AST11 1010	10	12		AST	Plain Bearings
  GK 25 DO	25	42	20	INA	Plain Bearings
  K7X11X15TN	7	11		Timken	Needle Roller Bearings
  K85X93X20	85	93	20	CX	Needle Roller Bearings
  SIGEW80ES	80			LS	Plain Bearings
  NJ2315	75	160	55	FAG	CYLINDRICAL ROLLER BEARINGS
  6006ZNR	30	55	13	FAG	DEEP GROOVE BALL BEARINGS
  RK6-33E1Z	734	950.1		KAYDON	SLEWING BEARINGS
  NU2352	260	540	165	STEYR	CYLINDRICAL ROLLER BEARINGS
  STO25	25	52	16	INA	NEEDLE BEARINGS
  22324CCJA/VA405	120	260	86	SKF	SPHERICAL ROLLER BEARINGS
  HJ-2314	70		10	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-30x40x30	30	40	30	CONSOLIDATED	NEEDLE BEARINGS
  KD-250ARO	25.0000	26.0000	.5000	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS