d - 190 mm

D - 260 mm

E - 243,5 mm

B - 69 mm

C - 69 mm

r min. - 2 mm

Weight - 10,9 Kg

Basic dynamic load rating (C) - 485 kN

Basic static load rating (C0) - 1 060 kN

(Grease) Lubrication Speed - 3 400 r/min

(Oil) Lubrication Speed - 4 000 r/min

• Model Number:NN4938MB
• Inner Diameter：190mm Outer Diameter：243,5mm Width：69mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-26
• Application:ignition system,Other machinery,Beauty and Body,power source,Equipment,air conditioning tools,motor,power protection,X-ray Equipment,PVC,Machine tool accessories
• Similar models:NSK NN4938MB ISO NN4938 NTN NN4938C1NAP4 NSK NNU4938MB CX NN4938K NBS SL014938 NACHI RC4938 NSK RSF-4938E4 SKF NNCF4938CV ISO NNU4938K
• BEARING POWER International Trading Co.,Ltd. specialize in NN4938MB products，there is large inventory of NSK NN4938MB . We has been built up long-term cooperation with NSK company, could make a bulk order of the NN4938MB Which NSK NN4938MB 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
  123077X/123121XC	77,788	121,444	24,6	Gamet	Tapered Roller Bearings
  231/800YMB	800	1280	365	Timken	Spherical Roller Bearings
  240139X/240241XG	139,7	241,3	126	Gamet	Tapered Roller Bearings
  5825				Ruville	Wheel Bearings
  6010NREE	50,000	80,000	16,000	SNR	Deep Groove Ball Bearings
  6909NSE	45	68	12	NACHI	Deep Groove Ball Bearings
  C 4032-2CS5V/GEM9	240	160	80	SKF	Cylindrical Roller Bearings
  AST11 10080	100	105		AST	Plain Bearings
  CRBC 30040	700	880	70	IKO	Thrust Roller Bearings
  IJ113040				ILJIN	Angular Contact Ball Bearings
  GRAE40-NPP-B-FA125.5	40	80	43,8	INA	Deep Groove Ball Bearings
  HM807049/10	53,975	104,775	36,512	ISO	Tapered Roller Bearings
  LM522549/10	109,987	159,987	34,925	ISO	Tapered Roller Bearings
  NU 336	180	380	75	ISB	Cylindrical Roller Bearings
  RASE1-3/8	34,925			INA	Bearing Units
  1806SZZ	30	42	7	MRC	DEEP GROOVE BALL BEARINGS
  CSCA020	2.0000	2.5000	.2500	INA	DEEP GROOVE BALL BEARINGS
  CRBC7	3.0000	7.0000	3.7500	RBC	ROLLER CAM FOLLOWERS
  1304R	20	52	15	FED	DEEP GROOVE BALL BEARINGS
  51260				SNR	THRUST BALL BEARINGS