d - 1.5 mm

D - 5 mm

B - 2.6 mm

d₁ - - 2.53 mm

D₂ - - 4.5 mm

r_1,2 - min. - 0.15 mm

d_a - min. - 2.4 mm

d_a - max. - 2.5 mm

D_a - max. - 4.5 mm

r_a - max. - 0.15 mm

Basic dynamic load rating - C - 0.135 kN

Basic static load rating - C₀ - 0.036 kN

Fatigue load limit - P_u - 0.002 kN

Reference speed - 200000 r/min

Limiting speed - 100000 r/min

Calculation factor - k_r - 0.025

Calculation factor - f₀ - 5.9

Mass bearing - 0.00025 kg

• Model Number:W 639/1.5-2Z
• Inner Diameter：5mm Outer Diameter：1,5mm Width：2,6mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:Digital Generator,Grinding and polishing equipment,Broadcasting System,Low-voltage electrical equipment,power tools,engine,Insect Count,car instrument,Vertical pull,security equipment,pneumatic Pump
• Similar models:NSK 639VV SKF W639/3-2Z AST 639HZZ CYSD 1639-ZZ FBJ 639ZZ AST 639H-2RS KOYO 639 CYSD 1639-Z ISB SS639/3-ZZ SKF W639
• BEARING POWER International Trading Co.,Ltd. specialize in W639/1.5-2Z products，there is large inventory of SKF W 639/1.5-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639/1.5-2Z Which SKF W639/1.5-2Z 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
  2200 TN9	10	30	14	ISB	Self-Aligning Ball Bearings
  22352BK	260	540	165	NTN	Spherical Roller Bearings
  23156-B-K-MB	280	460	146	FAG	Spherical Roller Bearings
  71803 A	17	26	5	ISO	Angular Contact Ball Bearings
  71806 CD/HCP4	42	30	7	SKF	Angular Contact Ball Bearings
  527/522	44,45	101,6	34,925	KOYO	Tapered Roller Bearings
  BT1B 329025/QCL7C	27,5	57,15	19,845	SKF	Tapered Roller Bearings
  F684ZZ	4	9	4	ISO	Deep Groove Ball Bearings
  NCS6832	107,95	133,35	50,8	AST	Needle Roller Bearings
  LM16UUOP	16	28	26,5	Samick	Linear Bearings
  QJF207	35	80	17	CYSD	Angular Contact Ball Bearings
  G-62	5.6250	8.3750		Aetna	THRUST BALL BEARINGS
  200426	1.2500	1.7500	1.6250	BAL	JOURNAL ROLLER ASSEMBLIES
  GE50SX	50	80	19	ELGES	SPHERICAL PLAIN BEARINGS
  CSXA030	3.0000	3.5000	.2500	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  93512	1.0000	1.3750	.7500	Hyatt	JOURNAL ROLLER ASSEMBLIES
  LS5070	50	70		Torrington	THRUST NEEDLE BEARINGS
  NU-248E	240	440	72	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  MI-64-W	4.0000		2.5150	CONSOLIDATED	NEEDLE BEARINGS
  SAF-240	8.7500	7.6250		CONSOLIDATED	PILLOW BLOCKS