d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

r min. - 0.3 mm

da min. - 22 mm

Da max. - 35 mm

ra max. - 0.3 mm

Weight - 0.036 Kg

Basic dynamic load rating (C) - 6,35 kN

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

(Grease) Lubrication Speed - 19000 r/min

(Oil) Lubrication Speed - 23000 r/min

• Model Number: 6904
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:storage shelves,molding machine,scientific instruments,granulator,Automation,Oral Image,hydraulic pressure gauge,PVC,mathematical instruments,other lathe,engineering machine
• Similar models:NSK 6904DDU NACHI 6904 NACHI 6904NSE PFI 6904DW ISB F6904 NTN 6904Z NACHI 6904NKE FBJ 6904-2RS NSK 6904NR KBC 6904F2
• BEARING POWER International Trading Co.,Ltd. specialize in 6904 products，there is large inventory of NACHI 6904 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6904 Which NACHI 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
  1988/1922	28,575	57,15	19,845	Fersa	Tapered Roller Bearings
  24024 CCK30/W33	180	120	60	SKF	Spherical Roller Bearings
  469/454	57,15	110	27,795	FBJ	Tapered Roller Bearings
  5S-7004UCG/GNP42	20	42	12	NTN	Angular Contact Ball Bearings
  6005E	25,000	47,000	12,000	SNR	Deep Groove Ball Bearings
  7313BDT	65	140	33	NACHI	Angular Contact Ball Bearings
  80BER29HV1V	80	110	19	NSK	Angular Contact Ball Bearings
  C4122K30V	110	180	69	SKF	Cylindrical Roller Bearings
  DL90	90	134	38	INA	Thrust Ball Bearings
  F624	4	15	5	NSK	Deep Groove Ball Bearings
  GAC45S	45	75	20	AST	Plain Bearings
  K9x12x10TN	9	12		SKF	Needle Roller Bearings
  NN3044-AS-K-M-SP	220	340	90	FAG	Cylindrical Roller Bearings
  NCF 3036 CV	280	180	74	SKF	Cylindrical Roller Bearings
  AH24180H	400	380		FAG	WITHDRAWAL SLEEVES
  CF72VUUR	24	72	29	IKO	NEEDLE BEARINGS
  313-SG	65	140	33	MRC	DEEP GROOVE BALL BEARINGS
  QJ313	65	140	33	STEYR	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  GT-13	2.3437	1.2500		CONSOLIDATED	THRUST BALL BEARINGS
  TPSY-15	.9375			CONSOLIDATED	THERMOPLASTIC PILLOW BLOCKS