d - 4 mm

D - 12 mm

B - 4 mm

d₁ - - 6.1 mm

D₂ - - 9.8 mm

r_1,2 - min. - 0.2 mm

d_a - min. - 5.4 mm

D_a - max. - 10.6 mm

r_a - max. - 0.2 mm

Basic dynamic load rating - C - 0.806 kN

Basic static load rating - C₀ - 0.28 kN

Fatigue load limit - P_u - 0.012 kN

Reference speed - 120000 r/min

Limiting speed - 75000 r/min

Calculation factor - k_r - 0.025

Calculation factor - f₀ - 10

Mass bearing - 0.0021 kg

• Model Number: 604
• Inner Diameter：12mm Outer Diameter：4mm Width：4mm
• Type：Deep Groove Ball Bearings
• Update date：2026-09-15
• Application:sleep monitoring,tooth filling,CNC,Display Devices,Optical Instruments,rolling mill roll neck and slowdown device,steam Hydraulic control element,climb ladder,wheel lathe,internal combustion engine,root canal filling
• Similar models:KOYO SE604ZZSTMSA7 SKF 6044M ISB 604-ZZ SNR 6040M NTN 6044 KOYO 6044ZX KOYO NC604 CRAFT 6044M SNR 6206F604 ZEN S604-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in 604 products，there is large inventory of SKF 604 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 604 Which SKF 604 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
  180RUB32APV	180	320	112	NSK	Spherical Roller Bearings
  32022	110	170	38	ISB	Tapered Roller Bearings
  32030A	150	225	48	SNR	Tapered Roller Bearings
  51207	35	62	18	FBJ	Thrust Ball Bearings
  54310U+U310	52			ISO	Thrust Ball Bearings
  545112/545139	285,75	354,012	33,338	Timken	Tapered Roller Bearings
  EX309-28	44,45	100	58,7	SNR	Deep Groove Ball Bearings
  LJT 1.3/8	34,925	76,2	17,46	SIGMA	Angular Contact Ball Bearings
  NA3045	45	85	38	KOYO	Needle Roller Bearings
  NJ2226-E-MA6+HJ2226-E	130	230	64	NKE	Cylindrical Roller Bearings
  NUP2320 E	100	215	73	CX	Cylindrical Roller Bearings
  UG208+ER	40	80	42.8	NACHI	Deep Groove Ball Bearings
  UKTX05	20			KOYO	Bearing Units
  52206				FAG	THRUST BALL BEARINGS
  FX5/32ZZ	.1562	.3125	.1250	ADR	DEEP GROOVE BALL BEARINGS
  YAS17/16	1.4375			FAF	PILLOW BLOCKS
  117DR	17	40	16	HOFF	DEEP GROOVE BALL BEARINGS
  XLJT-6E	6.0000	8.0000	1.0000	RHP	ANGULAR CONTACT BALL BEARINGS
  KG040XPO	4.0000	6.0000	1.0000	KAYDON	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  SAV-4	4	12	4	CONSOLIDATED	SELF