d - 50 mm

D - 72 mm

B - 22 mm

C - 22 mm

d1 - 58 mm

r min. - 0.6 mm

D1 - 63.5 mm

da min. - 56 mm

Da max. - 66 mm

ra max. - 0.6 mm

Weight - 0.30 Kg

Basic dynamic load rating (C) - 49 kN

Basic static load rating (C0) - 83 kN

(Grease) Lubrication Speed - 2000 r/min

(Oil) Lubrication Speed - 4000 r/min

• Model Number:RB4910
• Inner Diameter：50mm Outer Diameter：72mm Width：22mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-27
• Application:Security Equipment,powder metallurgy,small diesel generators,medical equipment,Blood coagulation reagent,Garment Accessories,orthodontic material,sanitation facilities,large agricultural machinery,industrial supplies,Food testing
• Similar models:IKO NAG4910UU IKO NAU4910UU NACHI RC4910 KOYO DC4910VW NSK RSF-4910E4 NTN SL01-4910 SKF NA4910 SKF C4910V SKF C4910K30V SKF RNA4910.2RS
• BEARING POWER International Trading Co.,Ltd. specialize in RB4910 products，there is large inventory of NACHI RB4910 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the RB4910 Which NACHI RB4910 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
  2207E-2RS1KTN9	35	72	23	SKF	Self-Aligning Ball Bearings
  231/850 K	850	1360	400	ISB	Spherical Roller Bearings
  3311-B-2Z-TV	55	120	49,2	NKE	Angular Contact Ball Bearings
  4T-NA567/563D	73,025	127	80,962	NTN	Tapered Roller Bearings
  54310	52	95	64,6	CX	Thrust Ball Bearings
  6013ZZ	65	100	18	AST	Deep Groove Ball Bearings
  6320Z	100	215	47	NACHI	Deep Groove Ball Bearings
  63314LLB	70,000	150,000	63,500	NTN	Deep Groove Ball Bearings
  657/652A	73,025		41,275	KOYO	Tapered Roller Bearings
  6903L11-H-20	17	30	7	NSK	Deep Groove Ball Bearings
  CRBS 1508 A UU	150	166	8	IKO	Thrust Roller Bearings
  HK2530-2RS	25	32	30	AST	Needle Roller Bearings
  KBK 12x15x14,3	12	15		NBS	Needle Roller Bearings
  KD5580100LL	55	80	100	NTN	Linear Bearings
  NJ2324-VH	120	260	86	NKE	Cylindrical Roller Bearings
  NN30/600	600	870	200	KOYO	Cylindrical Roller Bearings
  RNA0-30X40X26ZW	30,000	40,000	26,000	NTN	Needle Roller Bearings
  SDM100	100	150	125,5	KOYO	Linear Bearings
  SM1203KS	55,5625	110	55,56	Timken	Deep Groove Ball Bearings
  SYFWR 1. YZTHR	25,4	32	25	SKF	Bearing Units