d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

r min. - 0,3 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,037 Kg

Basic dynamic load rating (C) - 6,4 kN

Basic static load rating (C0) - 3,7 kN

(Grease) Lubrication Speed - 19 000 r/min

(Oil) Lubrication Speed - 22 000 r/min

Calculation factor (f0) - 14,7

• Model Number: 6904
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:multi-knife lathe,Dental Equipment,other lathe,paper processing machine,key lock,standing experimental equipment,nail products,tooth filling,medical treatment,extruder,coal
• Similar models:NACHI 6904NSE NTN 6904N KOYO 6904ZZ CYSD 6904-RZ NACHI 6904-2NSE NTN F-6904LLU NSK 6904L11-H-20DDU NSK 6904N NSK 6904VV NACHI 6904ZZE
• BEARING POWER International Trading Co.,Ltd. specialize in 6904 products，there is large inventory of NSK 6904 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6904 Which NSK 6904 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
  14124/14276	31,75	69,012	19,845	CX	Tapered Roller Bearings
  29426 M	130	270		CX	Thrust Roller Bearings
  30315DJR	75	160	40	KOYO	Tapered Roller Bearings
  320275/320406XH	275	406,4	176	Gamet	Tapered Roller Bearings
  713616070				FAG	Wheel Bearings
  EE243192/243250	489,026	634,873	80,962	NSK	Cylindrical Roller Bearings
  HM89443/HM89410	33,338	76,2	29,37	Timken	Tapered Roller Bearings
  HR6	6			NMB	Plain Bearings
  JLM710949/JLM710910	65	105	24	FBJ	Tapered Roller Bearings
  NF2226 E	130	230	64	CX	Cylindrical Roller Bearings
  NN3014	70	110	30	CX	Cylindrical Roller Bearings
  NN3048KD1C1NAP5	240	360	92	NTN	Cylindrical Roller Bearings
  STF480RV6814g	480	680	420	NSK	Cylindrical Roller Bearings
  UKFC217	76,2			KOYO	Bearing Units
  HK1622	22		22	FAG	NEEDLE BEARINGS
  51113				RHP	THRUST BALL BEARINGS
  RNA4860	380		80	INA	NEEDLE BEARINGS
  B71913C.T.P4S	65	90	13	FAG	ANGULAR CONTACT BALL BEARINGS
  F-607	7	19	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  7018TGP/4	90	140	24	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS