d - 4 mm

D - 9 mm

B - 2.5 mm

d₁ - - 5.2 mm

D₁ - - 7.5 mm

D₃ - 10.3 mm

C - 0.6 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 4.6 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.364 kN

Basic static load rating - C₀ - 0.114 kN

Fatigue load limit - P_u - 0.005 kN

Reference speed - 140000 r/min

Limiting speed - 85000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.5

Mass bearing - 0.0007 kg

• Model Number: W 618/4 R
• Inner Diameter：9mm Outer Diameter：4mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-05-02
• Application:Cleaning equipment,sheet industry,diagnostic test paper,Solenoid Valves,chamfering machine etc,Spectrum Products,bag machine,orthodontic material,plastic rolling,vacuum filter,Ball screw
• Similar models:SKF 61822-2RZ SKF 61805-2RZ ISO 61819ZZ NKE 61807 SKF 618/9 SKF 61892MA ZEN 61824-2RS ISO 61826 ISB 61815-2RZ SKF 618/1320MA
• BEARING POWER International Trading Co.,Ltd. specialize in W618/4R products，there is large inventory of SKF W 618/4 R . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 618/4 R Which SKF W618/4R 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
  16056	280	420	44	ISO	Deep Groove Ball Bearings
  23044-E1	220	340	90	FAG	Spherical Roller Bearings
  24030 K30W33	150	225	75	ISO	Spherical Roller Bearings
  444/432A	38,1		29,901	KOYO	Tapered Roller Bearings
  6214-Z-NR	70	125	24	NKE	Deep Groove Ball Bearings
  9378/9321	76,2	171,45	51,473	Timken	Tapered Roller Bearings
  93800A/93125	203,2	317,5	63,5	Timken	Tapered Roller Bearings
  DF0282LLH1CS23/L417	15,000	42,000	24,000	NTN	Angular Contact Ball Bearings
  EX308	40	90	57,1	SNR	Deep Groove Ball Bearings
  F682	2	5	1,5	ISB	Deep Groove Ball Bearings
  HK2538	25	32	38	AST	Needle Roller Bearings
  NCF1848-V	240	287	28	NKE	Cylindrical Roller Bearings
  NP1956	280	380	46	CX	Cylindrical Roller Bearings
  SS 61906-2RS	30	47	9	ISB	Deep Groove Ball Bearings
  T130	27,102	66,675	19,446	Timken	Thrust Roller Bearings
  UCP316	80		86	KOYO	Bearing Units
  NJ2338	190	400	132	SKF	CYLINDRICAL ROLLER BEARINGS
  6309TCC78	45	100	25	SKF	DEEP GROOVE BALL BEARINGS
  61907	35	55	10	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  51206				CONSOLIDATED	THRUST BALL BEARINGS