d - 20 mm

D - 37 mm

B - 9 mm

d₂ - - 23.65 mm

D₂ - - 33.5 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 22 mm

D_a - max. - 35 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 5.5 kN

Basic static load rating - C₀ - 3.6 kN

Fatigue load limit - P_u - 0.156 kN

Reference speed - 43000 r/min

Limiting speed - 26000 r/min

Calculation factor - k_r - 0.025

Calculation factor - f₀ - 14.7

Mass bearing - 0.0332 kg

• Model Number: W 61904
• Inner Diameter：37mm Outer Diameter：20mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-14
• Application:Vertical pull,special broaching machine,rolling mill roll neck and slowdown device,Infrared Technology,Storage Tool,heating fans,stirrer,lifting tackle,building decoration raw materials and accessories,construction machinery and equipment,ventilator anesthesia machine etc
• Similar models:CRAFT 61904 CX 61904-2RS ZEN SF61904-2RS ZEN F61904-2RS ISO 61904ZZ SKF W61904-2RZ ISB 61904-2RS ZEN 61904-2Z ISB SS61904-2RS ISO 61904-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in W61904 products，there is large inventory of SKF W 61904 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 61904 Which SKF W61904 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
  780/773D+X2S-780	101,6	180	104,775	Timken	Tapered Roller Bearings
  6206-2Z-N	30	62	16	NKE	Deep Groove Ball Bearings
  7315 B-UD	75	160	74	CX	Angular Contact Ball Bearings
  F698	8	19	6	ISO	Deep Groove Ball Bearings
  GE17C	17	30	14	LS	Plain Bearings
  KCC075	190,5	209,55	9,525	KOYO	Deep Groove Ball Bearings
  KJ55X60X31.3	55,000	60,000		NTN	Needle Roller Bearings
  NA 4919	95	130	35	NBS	Needle Roller Bearings
  NK30/30	30	40	30	KOYO	Needle Roller Bearings
  NNCF4848-V	240	282,4	60	NKE	Cylindrical Roller Bearings
  NP348 E	240	500	95	CX	Cylindrical Roller Bearings
  UCPK322	110		117	NACHI	Bearing Units
  W624	4	13	5	SKF	Deep Groove Ball Bearings
  GE200SW	200	310	66	ELGES	SPHERICAL PLAIN BEARINGS
  W309PPG	45	100	1.5625	FAF	DEEP GROOVE BALL BEARINGS
  CCFD-11/2	.6250	1.5000	.8750	McGill	ROLLER CAM FOLLOWERS
  SAF-511	1.8750			Torrington	PILLOW BLOCKS
  CR-11/2-XBE			.8750	Smith	NEEDLE BEARINGS
  RNAO-55x68x40	68		40	CONSOLIDATED	NEEDLE BEARINGS
  KR-16-2RSX	6	16	11	CONSOLIDATED	NEEDLE BEARINGS