d - 4 mm

D - 12 mm

B - 4 mm

C - 4 mm

d1 - – mm

d2 - 5,6 mm

r1 min. - 0,2 mm

r2 min. - 0,2 mm

D1 - 9 mm

D2 - 9,9 mm

da min. - 5,3 mm

Da max. - 10,4 mm

ra max. - 0,2 mm

Weight - 0,002 Kg

Basic dynamic load rating (C) - 0,54 kN

Basic static load rating (C0) - 0,176 kN

Fatigue load limit (Pu) - 0,008

Reference speed - 130000 r/min

Limiting speed - 80000 r/min

Calculation factor (f0) - 6,4

Calculation factor (kr) - 0,03

• Model Number: W604
• Inner Diameter：4mm Outer Diameter：12mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:cooling system,Spectral Products,Doppler,coal,screen filter,static control,Leather Products,rehabilitation training equipment,filter paper products,oral medical device,Flame Cutting
• Similar models:NTN 6048ZZ NTN 6044 ISB SS604-ZZ ISO 16048 KOYO 6040ZX NTN F-604ZZ NACHI 6040 CX FL604ZZ ISO 604ZZ NSK 604ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in W604 products，there is large inventory of SKF W604 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W604 Which SKF W604 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
  51120	100	135	25	NKE	Thrust Ball Bearings
  5561R/5535	38,913		51,702	KOYO	Tapered Roller Bearings
  6306-32R-2NSLC5	32	72	19	NACHI	Deep Groove Ball Bearings
  63800-2Z	10	19	7	ZEN	Deep Groove Ball Bearings
  7317 CDF	85	180	82	ISO	Angular Contact Ball Bearings
  HM231136/HM231115	142,875	241,3	57,15	Timken	Tapered Roller Bearings
  K 47x52x17	47	52		NBS	Needle Roller Bearings
  K09x12x10	9	12	10	ISO	Needle Roller Bearings
  KB16	16	26		INA	Linear Bearings
  KJ54X60X25.8	54,000	60,000		NTN	Needle Roller Bearings
  NH328 E	140	300	62	CX	Cylindrical Roller Bearings
  NJ2315-VH	75	160	55	NKE	Cylindrical Roller Bearings
  PHU2319	32	136,5	69,8	PFI	Angular Contact Ball Bearings
  SYR 1 7/16 N	36,512	53,975	59,531	SKF	Bearing Units
  UC315-47	74,6125	160	42	SNR	Deep Groove Ball Bearings
  NKI12/16	12	24	16	FAG	NEEDLE BEARINGS
  HM-3164+MS-3164	12	Tr 320x5	24	FAG	LOCKNUTS COMPLETE WITH LOCKING CLAMP
  6316-2ZNR	80	170	39	FAG	DEEP GROOVE BALL BEARINGS
  GEZ312ES	3.7500	5.8750	3.2812	SKF	SPHERICAL PLAIN BEARINGS
  SI60ES	60		44	CONSOLIDATED	ROD ENDS