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：2025-12-16
• Application:transistor fittings,Broadcasting System,chuck industry,stamping die,air shower etc,gear type,Spectrum Products,outdoor equipment,marine analysis and testing equipment,other processing,industrial equipment
• Similar models:ISB SS61806 NKE 61817 ZEN S61802-2RS SKF 618/1060MA ISO 61817-2RS ZEN S61800 SKF W61801-2RS1 CX FL618/2 SKF W61809R ISO 61821-2RS
• 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
  21308C	40	90	23	NTN	Spherical Roller Bearings
  23228-E1-K-TVPB + H2328	125	250	88	FAG	Spherical Roller Bearings
  32918 A	90	125	23	CX	Tapered Roller Bearings
  3NC6004MD4	20	42	12	KOYO	Deep Groove Ball Bearings
  4214 ATN9	70	125	31	ISB	Deep Groove Ball Bearings
  5313	65	140	58.7	NACHI	Angular Contact Ball Bearings
  89330	150	250		CX	Thrust Roller Bearings
  CRD-8032	400	650	240	NTN	Tapered Roller Bearings
  QJ 1248 MA/344524	440	240	85	SKF	Angular Contact Ball Bearings
  KP49B	77,8	101,6		AST	Deep Groove Ball Bearings
  NP3160	300	500	160	ISO	Cylindrical Roller Bearings
  NU1020	100	150	24	CX	Cylindrical Roller Bearings
  RNAO25X35X26	25	35	26	KOYO	Needle Roller Bearings
  TSF 30	30	55	37	ISB	Plain Bearings
  SCE20-B	20			Samick	Linear Bearings
  63000-2RS	10	26	12	FAG	DEEP GROOVE BALL BEARINGS
  H2313	65	85		STEYR	ADAPTERS
  KF-45XPO	4.5000	6.0000	.7500	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  NJ-2313	65	140	48	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  23252	260	480	174	CONSOLIDATED	SPHERICAL ROLLER BEARINGS