d - 20 mm

Fw - 25 mm

D - 37 mm

B - 17 mm

C - 17 mm

r min. - 0,3 mm

da min. - 22 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,077 Kg

Basic dynamic load rating (C) - 19,7 kN

Basic static load rating (C0) - 22,9 kN

(Grease) Lubrication Speed - 11000 r/min

(Oil) Lubrication Speed - 18000 r/min

• Model Number:NA4904
• Inner Diameter：20mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-12-18
• Application:Film machine,Hairbrush device,Pneumatic Actuator,Other Machine Tools,axle lathe,stamping die and its equipment,Display Devices,Medium and large motor,electric hydraulic lifting platform,glass,filter paper products
• Similar models:NBS NA4904 NBS RNA49042RS IKO NA4904UU ISO RNA4904-2RS CX NA4904-2RS KOYO RNA4904 ZEN RNA4904 SKF RNA4904 INA NA4904 ISO RNA4904
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of NSK NA4904 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA4904 Which NSK NA4904 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
  22310-E1-K + AHX2310	45	110	40	FAG	Spherical Roller Bearings
  16015	75	115	13	NTN	Deep Groove Ball Bearings
  31305	25	62	18,25	CYSD	Tapered Roller Bearings
  35BG05S16G-2DST2	35	55	20	NACHI	Angular Contact Ball Bearings
  61900-2Z	10	22	6	FAG	Deep Groove Ball Bearings
  6207-2Z-N	35	72	17	NKE	Deep Groove Ball Bearings
  664/652	84,138		41,275	KOYO	Tapered Roller Bearings
  7005UG/GNP42	25	47	12	NTN	Angular Contact Ball Bearings
  7218HG1UJ74	90	160	30	SNR	Angular Contact Ball Bearings
  7310 BECBJ	110	50	27	SKF	Angular Contact Ball Bearings
  B7020-C-T-P4S	100	150	24	FAG	Angular Contact Ball Bearings
  FLR2-6	3,175	10,72	2,779	NTN	Deep Groove Ball Bearings
  HK2520D	25,000	32,000	20,000	NTN	Needle Roller Bearings
  HRT18	18			NMB	Plain Bearings
  K35X42X30	35	42	30	FBJ	Needle Roller Bearings
  NNC4952-V	260	360	100	NKE	Cylindrical Roller Bearings
  SF4818DB	240,000	329,500	80,000	NTN	Angular Contact Ball Bearings
  NJ1072	360	540	82	FAG	CYLINDRICAL ROLLER BEARINGS
  NF-206E	30	62	16	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  62x75x10mm	62	75	10	CONSOLIDATED	OIL SEALS