d - 1 mm

D - 3 mm

B - 1.5 mm

d₁ - - 1.55 mm

D₁ - - 2.46 mm

r_1,2 - min. - 0.05 mm

d_a - min. - 1.4 mm

d_a - max. - 1.5 mm

D_a - max. - 2.6 mm

r_a - max. - 0.05 mm

Basic dynamic load rating - C - 0.052 kN

Basic static load rating - C₀ - 0.012 kN

Fatigue load limit - P_u - 0.001 kN

Reference speed - 240000 r/min

Limiting speed - 150000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 5.6

Mass bearing - 0.0001 kg

• Model Number:W 638/1
• Inner Diameter：3mm Outer Diameter：1mm Width：1,5mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-04
• Application:Pest Monitoring,pump,hydraulic control element,relay,marine analysis and testing equipment,wall materials,wire industry,Pneumatic Actuator,gear type,Pump,gas turbine
• Similar models:KOYO 638ZZ SKF W63800-2RS1 CX 63801 SKF W63803-2Z ISB 63801 ISO 638-2RS ISB 638-2RZ ZEN SF63800 ISO 63802 CYSD 1638-RS
• BEARING POWER International Trading Co.,Ltd. specialize in W638/1 products，there is large inventory of SKF W 638/1 . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/1 Which SKF W638/1 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
  22216 EK	140	80	33	SKF	Spherical Roller Bearings
  23056EMKW33	280,000	420,000	106,000	SNR	Thrust Roller Bearings
  239/500RK	500	670	128	KOYO	Spherical Roller Bearings
  6036LLU	180,000	280,000	46,000	NTN	Deep Groove Ball Bearings
  6913	65	90	13	FBJ	Deep Groove Ball Bearings
  7308 BE-2RZP	90	40	23	SKF	Angular Contact Ball Bearings
  748S/742	76,2	150,089	44,45	FBJ	Tapered Roller Bearings
  ARXJ30.1X43.8X2.8	30,150	43,800	2,800	NTN	Needle Roller Bearings
  CRI-14209	710	1030	295	NTN	Tapered Roller Bearings
  F-230972.7	30,2	43,05	22,6	INA	Angular Contact Ball Bearings
  GEEW50ES	50	75	50	FBJ	Plain Bearings
  PCJ222820	34.925	44.450		NTN	Needle Roller Bearings
  SC07A42LLSAC4/L588	33	55	15	NTN	Deep Groove Ball Bearings
  UCFCX16	80			ISO	Bearing Units
  VKBA 3415				SKF	Wheel Bearings
  SN512	55		70	FAG	PILLOW BLOCKS
  LSL192334	170	360	120	INA	CYLINDRICAL ROLLER BEARING
  XLS-3	3.0000	4.5000	.7500	HOFF	DEEP GROOVE BALL BEARINGS
  MB-3	17	24	4	CONSOLIDATED	LOCKWASHERS
  R-0-ZZ	.0469	.1562	.0937	CONSOLIDATED	DEEP GROOVE BALL BEARINGS