d - 4 mm

D - 9 mm

B - 2.5 mm

d₁ - - 5.2 mm

D₁ - - 7.5 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 4.6 mm

D_a - max. - 8.4 mm

r_a - max. - 0.1 mm

Basic dynamic load rating - C - 0.423 kN

Basic static load rating - C₀ - 0.116 kN

Fatigue load limit - P_u - 0.005 kN

Reference speed - 140000 r/min

Limiting speed - 85000 r/min

Calculation factor - k_r - 0.015

Calculation factor - f₀ - 6.5

Mass bearing - 0.0007 kg

• Model Number: 618/4
• Inner Diameter：9mm Outer Diameter：4mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:inorganic chemical,paper processing machine,lifting equipment Hoisting hoist,Industrial,ventilation heating equipment,instrument,clean stationery,electrocardiograph,Laser Cutting,DC generators,agricultural testing and analysis equipment and related
• Similar models:CRAFT 61801-2RS ISO 618/560 SKF 61820-2RZ CRAFT 61802 ISO 618/1ZZ ZEN S61806-2RS ISO 61809ZZ CX 61844 ISO 618/3ZZ CX FL618/8
• BEARING POWER International Trading Co.,Ltd. specialize in 618/4 products，there is large inventory of SKF 618/4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 618/4 Which SKF 618/4 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
  23044-K-MB-W33	220	340	90	NKE	Spherical Roller Bearings
  23234RHAK	170	310	110	KOYO	Spherical Roller Bearings
  30312	60	130	33,5	ISB	Tapered Roller Bearings
  323038	190	290	75	NTN	Tapered Roller Bearings
  6018	90	140	24	FBJ	Deep Groove Ball Bearings
  626	6	19	6	SKF	Deep Groove Ball Bearings
  6304	20	52	15	CRAFT	Deep Groove Ball Bearings
  AST20 64IB48	101,6	106,3752		AST	Plain Bearings
  GE 40 AX	40	105	32	INA	Plain Bearings
  M-961	14.288	19.050	9.53	KOYO	Needle Roller Bearings
  PK26X31X13.8	26,000	31,000		NTN	Needle Roller Bearings
  RSF-4844E4	220	270	50	NSK	Cylindrical Roller Bearings
  NU2206EM	30,000	62,000	20,000	SNR	Cylindrical Roller Bearings
  NUP1011	55	90	18	ISO	Cylindrical Roller Bearings
  L10WA608	6.5000	8.5000	1.0000	FAG	DEEP GROOVE BALL BEARINGS
  6017RS	85	130	22	FAG	DEEP GROOVE BALL BEARINGS
  B71814.C.TPA.P4	70	90	10	FAG	ANGULAR CONTACT BALL BEARINGS
  1220	100	180	34	New Departure	DEEP GROOVE BALL BEARINGS
  6300-2RSNR	10	35	11	STEYR	DEEP GROOVE BALL BEARINGS
  K-45x50x20	45	50	20	CONSOLIDATED	NEEDLE BEARINGS