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. - 23.5 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 - 20000 r/min

Calculation factor - k_r - 0.025

Calculation factor - f₀ - 14.7

Mass bearing - 0.0353 kg

• Model Number: W 61904-2Z
• Inner Diameter：37mm Outer Diameter：20mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:Hydraulic Hose,medical equipment,Infrared Technology,joint protection,bag machine,Plastic molding,natural instruments,climb ladder,Medical equipment,forming machine,Broadcasting System
• Similar models:ISO 61904 CRAFT 61904ZZ SKF 61904 FAG 61904-2RSR ISO 61904ZZ ZEN S61904-2Z CRAFT 61904-2RS SKF W61904-2RS1 NKE 61904-2RSR SKF 61904-2RS1
• BEARING POWER International Trading Co.,Ltd. specialize in W61904-2Z products，there is large inventory of SKF W 61904-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 61904-2Z Which SKF W61904-2Z 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
  22244	220	400	108	ISB	Spherical Roller Bearings
  24092W33	460	680	218	ISO	Spherical Roller Bearings
  30210JR	50	90	21,75	KOYO	Tapered Roller Bearings
  310-ZNR	110	50	27	SKF	Deep Groove Ball Bearings
  32204	20	47	19,25	Timken	Tapered Roller Bearings
  6310ZZD2	50,000	110,000	54,000	NTN	Deep Groove Ball Bearings
  65KDE13	65	140	53	NACHI	Tapered Roller Bearings
  AST650 354525	35	45		AST	Plain Bearings
  CRI-10702	533,4	736,6	225,425	NTN	Tapered Roller Bearings
  EE724120/724195	304,8	495,3	95,25	KOYO	Tapered Roller Bearings
  GEH240XT	240	340	170	LS	Plain Bearings
  KV34X40X39.3ZW	34,000	40,000		NTN	Needle Roller Bearings
  LM272249/LM272210DG2+A	482,6	615,95	184,15	NTN	Tapered Roller Bearings
  LM50AJ	50	80	100	CX	Linear Bearings
  NU 406	90	30	23	SKF	Thrust Ball Bearings
  51248				FAG	THRUST BALL BEARINGS
  L15RA500	5.0000	5.6250	.3125	FAG	ANGULAR CONTACT BALL BEARINGS
  LS-20-AC	3.5000	6.5000	1.1250	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  6305-2RS	25	62	17	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  KG-60XPO	6.0000	8.0000	1.0000	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS