d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

a - 1.7 mm

b - 0.95 mm

f - 0.85 mm

r min. - 0.3 mm

r1 min. - 0.3 mm

D1 - 35.7 mm

D2 - 39.8 mm

Weight - 0.037 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:6904NR
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-27
• Application:gantry processing,Die,mathematical instruments,lifting tackle,Broadcasting System,hydraulic connector,Storage Tool,extruder,Special Equipment,bag machine,electrocardiograph
• Similar models:NACHI 6904N CYSD 6904-RS NACHI 6904NSE NSK 6904L11-H-20 NACHI 6904ZE NSK 6904L11-H-20ZZ CYSD 6904-ZZ NACHI 6904 CYSD 6904-2RS NSK 6904L11-H-20DDU
• BEARING POWER International Trading Co.,Ltd. specialize in 6904NR products，there is large inventory of NACHI 6904NR . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6904NR Which NACHI 6904NR 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
  22216SWREAg2E4	80	140	33	NSK	Spherical Roller Bearings
  14139/14282	34,975	71,996	19,002	Timken	Tapered Roller Bearings
  24048RHA	240	360	118	KOYO	Spherical Roller Bearings
  3309-BD-2Z-TVH	45	100	39,7	FAG	Angular Contact Ball Bearings
  51205	25	47	15	FAG	Thrust Ball Bearings
  557S/552A	53,975	123,825	38,1	KOYO	Tapered Roller Bearings
  6826-2RZ	130	165	18	CYSD	Deep Groove Ball Bearings
  6930-RS	150	210	28	CYSD	Deep Groove Ball Bearings
  A6075/A6157B	19.05	39,992	11,153	Timken	Tapered Roller Bearings
  BXRE003-2HRS	17	35	10	INA	Needle Roller Bearings
  UCF314	70			KOYO	Bearing Units
  RKS.062.20.0744	648	816		SKF	SLEWING BEARINGS
  HE206	30	45		STEYR	ADAPTERS
  CR-2-XBC	.8750	2.0000	1.2500	Smith	NEEDLE BEARINGS
  FPCAA100	1.0000	1.3750	.1875	SKF	DEEP GROOVE BALL BEARINGS
  NF315	75	160	37	STEYR	CYLINDRICAL ROLLER BEARINGS
  27SF44	2.7500	4.3750	2.4062	Torrington	SPHERICAL PLAIN BEARINGS
  NU-315E	75	160	37	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  K-8x12x10	8	12	10	CONSOLIDATED	NEEDLE BEARINGS
  SN-314..6314	70	-	90	CONSOLIDATED	PILLOW BLOCKS