d - 20 mm

Fw - 25 mm

D - 37 mm

B - 23 mm

C - 23 mm

r min. - 0,3 mm

da min. - 22 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,12 Kg

Basic dynamic load rating (C) - 27,8 kN

Basic static load rating (C0) - 35,5 kN

(Grease) Lubrication Speed - 11000 r/min

(Oil) Lubrication Speed - 18000 r/min

• Model Number: NA5904
• Inner Diameter：20mm Outer Diameter：37mm Width：23mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:tray industry,Small air generators,test strip,engineering machine,small diesel generators,Low-voltage electrical equipment,Oral Equipment,sanitation facilities,pressure control valve,Automobile,electromyography machine
• Similar models:NTN NA5904 JNS RNA5904 CX RNA5904 NSK RNA5904 KOYO NA5904 KOYO RNA5904 NTN RNA5904 ISO RNA5904 JNS NA5904 NSK NA5904
• BEARING POWER International Trading Co.,Ltd. specialize in NA5904 products，there is large inventory of NSK NA5904 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA5904 Which NSK NA5904 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
  20232-MB	160	290	48	FAG	Spherical Roller Bearings
  231/560 KCW33+H31/560	560	920	280	CX	Spherical Roller Bearings
  30228	140	250	45,75	NKE	Tapered Roller Bearings
  42376/42587	95,25	149,225	31,75	NSK	Tapered Roller Bearings
  6013ZZ	65	100	18	FBJ	Deep Groove Ball Bearings
  6926-1-2RU	130	180	24	KOYO	Deep Groove Ball Bearings
  7222 ADB	110	200	76	ISO	Angular Contact Ball Bearings
  7312CDF	60	130	31	CYSD	Angular Contact Ball Bearings
  74025/74052	25	52	16,25	Gamet	Tapered Roller Bearings
  7425				Ruville	Wheel Bearings
  GB12010	42	75	37	SNR	Angular Contact Ball Bearings
  RNA2200	224,1	255	42	KOYO	Needle Roller Bearings
  NKIS 30	30	52	22	NBS	Needle Roller Bearings
  NNU4934K	170	230	60	CX	Cylindrical Roller Bearings
  NU208E	40	80	18	NTN	Cylindrical Roller Bearings
  UCFS311	55			KOYO	Bearing Units
  FLBC6-12	6	12	3	NTN	DEEP GROOVE BALL BEARINGS
  5204A-2Z	20	47	20.6	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  N-1014-KMSP/5	70	110	20	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  H-320x90	100	130		CONSOLIDATED	ADAPTERS