d - 2 mm

D - 5 mm

B - 2.3 mm

d₁ - - 2.7 mm

D₂ - - 4.4 mm

r_1,2 - min. - 0.08 mm

d_a - min. - 2.5 mm

d_a - max. - 2.6 mm

D_a - max. - 4.5 mm

r_a - max. - 0.08 mm

Basic dynamic load rating - C - 0.094 kN

Basic static load rating - C₀ - 0.025 kN

Fatigue load limit - P_u - 0.001 kN

Reference speed - 200000 r/min

Limiting speed - 100000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 6.5

Mass bearing - 0.0002 kg

• Model Number:W 638/2-2Z
• Inner Diameter：5mm Outer Diameter：2mm Width：2,3mm
• Type：Deep Groove Ball Bearings
• Update date：2023-03-08
• Application:Insect Capture,Spectral Products,intermediate,sleep monitoring,Broadcasting System,roller lathe,outdoor equipment,hook,boring bar boring bar,food sterilization,Power equipment
• Similar models:FBJ 638 PFI 638-2RSC3 ISO 63802 ZEN 63800-2Z SKF W638/4XR-2RS1 SKF W638/2R-2Z CX 63800-2RS SKF W63803-2RS1 FBJ 1638 SKF W63800R-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in W638/2-2Z products，there is large inventory of SKF W 638/2-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2-2Z Which SKF W638/2-2Z 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
  23132-E1A-M	160	270	86	FAG	Spherical Roller Bearings
  234416	80	125	27	ISB	Thrust Ball Bearings
  2875/2820	31.75	73,025	22,225	Timken	Tapered Roller Bearings
  6030	150	225	35	ISB	Deep Groove Ball Bearings
  63009-2RS	45	75	23	SIGMA	Deep Groove Ball Bearings
  71908 C-UO	40	62	24	CX	Angular Contact Ball Bearings
  919	95	140	32,5	INA	Thrust Ball Bearings
  GIHN-K 32 LO	32	52	32	INA	Plain Bearings
  E 212 /NS 7CE3	12	32	10	SNFA	Angular Contact Ball Bearings
  GS 81216	8,5	115	82	SKF	Thrust Roller Bearings
  NJ419	95	240	55	FBJ	Cylindrical Roller Bearings
  RB 14025	140	200	25	ISB	Thrust Roller Bearings
  SDE16OP	16	26		KOYO	Linear Bearings
  SNW138x7	190	240		SKF	ADAPTERS
  6112K	60	95	18	NH	DEEP GROOVE BALL BEARINGS
  RNAF10x20x12	20		12	SKF (Old No.)	NEEDLE BEARINGS
  6311-2RSNR	55	120	29	STEYR	DEEP GROOVE BALL BEARINGS
  16x40x10mm	16	40	10	CONSOLIDATED	OIL SEALS
  KB-60N	60	90	125	CONSOLIDATED	LINEAR RECIRCULATING BALL BEARINGS
  TWD-1120	.6875	1.2500		CONSOLIDATED	THRUST NEEDLE BEARINGS