d - 190 mm

D - 260 mm

B - 69 mm

C - 69 mm

d1 - 216 mm

r min. - 2 mm

D1 - 233 mm

da min. - 201 mm

Da max. - 249 mm

ra max. - 2 mm

Weight - 11.2 Kg

Basic dynamic load rating (C) - 565 kN

Basic static load rating (C0) - 1290 kN

(Grease) Lubrication Speed - 500 r/min

(Oil) Lubrication Speed - 1000 r/min

• Model Number: RB4938
• Inner Diameter：190mm Outer Diameter：260mm Width：69mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:Antenna Industry,Wire grinder,power source,industrial skin care,medical treatment,Internal thread type,switch,chuck industry,machine tool spindle,wall industry,expectoration machine
• Similar models:KOYO NNU4938 KOYO DC4938AVW CX NNU4938KV NSK NN4938MBKR KOYO DC4938VW NTN NN4938KCS30P4 SKF NNC4938CV CX NNU4938V NTN NNU4938KCS95P5 NBS SL014938
• BEARING POWER International Trading Co.,Ltd. specialize in RB4938 products，there is large inventory of NACHI RB4938 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the RB4938 Which NACHI RB4938 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
  1216	80	140	26	CRAFT	Self-Aligning Ball Bearings
  46236	180	280	74	KOYO	Tapered Roller Bearings
  61804-2Z	20	32	7	NKE	Deep Groove Ball Bearings
  6315-2Z-NR	75	160	37	NKE	Deep Groove Ball Bearings
  6324	120	260	55	NTN	Deep Groove Ball Bearings
  7208B	40	80	18	NTN	Angular Contact Ball Bearings
  7413B	65	160	37	KOYO	Angular Contact Ball Bearings
  K 14x18x13	14	18		NBS	Needle Roller Bearings
  RNA2115	132,5	155	34	KOYO	Needle Roller Bearings
  NF260 E	300	540	85	CX	Cylindrical Roller Bearings
  NNCF4830CV	150	190	40	SKF	Cylindrical Roller Bearings
  RW4	6,35	15,875		AST	Deep Groove Ball Bearings
  SS 61902-ZZ	15	28	7	ISB	Deep Groove Ball Bearings
  SL14 922	110	150	59	INA	Cylindrical Roller Bearings
  SLX50X130X62	50,000	130,000	60,000	NTN	Cylindrical Roller Bearings
  SQY4-RS				LS	Plain Bearings
  94320	.7500	1.2500	1.2500	BERLISS	JOURNAL ROLLER ASSEMBLIES
  6216-2RS1	140	80	26	SKF	DEEP GROOVE BALL BEARINGS
  NU-220E	100	180	34	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  29x38x4mm	29	38	4	CONSOLIDATED	OIL SEALS