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：2025-04-21
• Application:Rolling mill gear box,root canal filling,molding machine,blood cell reagent,tooth filling,municipal machinery,Industry,wall industry,generator,position switch,labor insurance
• Similar models:CX 61904ZZ SKF 61904-2RZ FAG 61904 ISO 61904 NKE 61904-2RSR Fersa 61904 ISB SS61904-2RS ISB SS61904 NKE 61904-2Z ZEN F61904-2Z
• 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
  1206 TN9	30	62	16	ISB	Self-Aligning Ball Bearings
  16030	150	225	24	SIGMA	Deep Groove Ball Bearings
  22234 EKW33+AH3134	160	310	86	ISB	Spherical Roller Bearings
  23026CDKE4	130	200	52	NSK	Spherical Roller Bearings
  30303	17	47	15,25	CYSD	Tapered Roller Bearings
  3981/3920	58.738	112.712	30.162	NACHI	Tapered Roller Bearings
  4307	35	80	31	FBJ	Deep Groove Ball Bearings
  85TMP11	85	110	19	NSK	Thrust Roller Bearings
  BHAM 138	20,638	28,575	12,7	IKO	Needle Roller Bearings
  F-213181	24	36	22,8	INA	Needle Roller Bearings
  NJ2213-E-TVP2	65	120	31	FAG	Cylindrical Roller Bearings
  NJ 313 ECJ	140	65	33	SKF	Thrust Ball Bearings
  NK45/20TN	45	55	20	SKF	Needle Roller Bearings
  SY 1.15/16 WF	49,213			SKF	Bearing Units
  202KDD	15	35	11	FAF	DEEP GROOVE BALL BEARINGS
  NNF5048B.2LS.V	240	360	160	FAG	CYLINDRICAL ROLLER BEARINGS
  CSCB055	5.5000	6.1250	.3125	INA	DEEP GROOVE BALL BEARINGS
  LLRJN70	70	125	24	R&M	CYLINDRICAL ROLLER BEARINGS
  6302Z	15	42	13	SKF	DEEP GROOVE BALL BEARINGS
  2132	.6250	1.1250		CONSOLIDATED	THRUST BALL BEARINGS