d - 20 mm

Fw - 25 mm

D - 37 mm

B - 30 mm

C - 30 mm

r min. - 0,3 mm

da min. - 22 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,14 Kg

Basic dynamic load rating (C) - 36,5 kN

Basic static load rating (C0) - 50,5 kN

(Grease) Lubrication Speed - 11000 r/min

(Oil) Lubrication Speed - 18000 r/min

• Model Number: NA6904
• Inner Diameter：20mm Outer Diameter：37mm Width：30mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:glass processing machine,Roller,Logistics Equipment,Low-voltage electrical equipment,Antenna Potentials,mechanical annex,Machine tools,Dental Equipment,Cylinder Special,Optical Instruments,Storage Tool
• Similar models:NTN RNA6904R NBS NA6904 IKO NA6904U JNS NA6904UU Timken NA6904 INA RNA6904 SKF RNA6904 INA NA6904 IKO RNA6904UU NSK RNA6904TT
• BEARING POWER International Trading Co.,Ltd. specialize in NA6904 products，there is large inventory of NSK NA6904 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA6904 Which NSK NA6904 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
  1217S	85	150	28	NTN	Self-Aligning Ball Bearings
  16016	125	80	14	SKF	Deep Groove Ball Bearings
  B40	76,2	119,86	28,58	INA	Thrust Ball Bearings
  5219	95	170	55,58	Timken	Angular Contact Ball Bearings
  61903	17	30	7	ISO	Deep Groove Ball Bearings
  7334B	170	360	72	NACHI	Angular Contact Ball Bearings
  7934DB	170	230	28	CYSD	Angular Contact Ball Bearings
  B15-48C3	15	42	15	NSK	Deep Groove Ball Bearings
  E32324J	120	260	90.5	NACHI	Tapered Roller Bearings
  N2932	160	220	36	CX	Cylindrical Roller Bearings
  PSL 612-305-1	510	655	185	PSL	Tapered Roller Bearings
  QJ 306 N2PHAS	72	30	19	SKF	Angular Contact Ball Bearings
  RN326-E-MPBX	130	247	58	FAG	Cylindrical Roller Bearings
  SC05B76	26,000	62,000	14,000	NTN	Deep Groove Ball Bearings
  TAF 253320/SG	25	33	20	IKO	Needle Roller Bearings
  UCF315	75			SNR	Bearing Units
  4204	20	47	18	FAG	DEEP GROOVE BALL BEARINGS
  NJ2352	260	540	165	SKF	CYLINDRICAL ROLLER BEARINGS
  CT-44A	10.1040	10.5000		Rollway	THRUST ROLLER BEARINGS
  W-1/4				CONSOLIDATED	THRUST BALL BEARINGS