d - 2 mm

D - 5 mm

B - 2.5 mm

d₁ - - 2.7 mm

D₂ - - 4.4 mm

D₃ - 6.2 mm

C - 0.6 mm

r_1,2 - min. - 0.1 mm

d_a - min. - 2.6 mm

r_a - max. - 0.1 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 - 0.00025 kg

• Model Number: W 638/2 XR-2Z
• Inner Diameter：5mm Outer Diameter：2mm Width：2,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:ventilation equipment,Body shaping,Flame Cutting,Liposuction device,roller lathe,machine tool spindle,key lock,food sterilization,sheet industry,garden machinery,Air
• Similar models:AST 638H CX 63802-2RS SKF W63806R ZEN S638-2RS SKF 638-2RZ SKF W63800R-2Z ISB SS638/4-ZZ PFI 638-2RSC3 SKF W63802-2RS1 SKF W63806-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in W638/2XR-2Z products，there is large inventory of SKF W 638/2 XR-2Z . We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2 XR-2Z Which SKF W638/2XR-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
  23024 K	120	180	46	ISB	Spherical Roller Bearings
  466/452D+X1S-466	54,987	107,95	65,09	Timken	Tapered Roller Bearings
  61880 MA	400	500	46	ISB	Deep Groove Ball Bearings
  67780/67720	165,1	247,65	47,625	KOYO	Tapered Roller Bearings
  AST40 3515	35	39		AST	Plain Bearings
  CSCB035	88,9	104,775	7,938	INA	Deep Groove Ball Bearings
  FNT-4565	45	65	3	KOYO	Needle Roller Bearings
  Q209	45	85	19	ISO	Angular Contact Ball Bearings
  L-415	1,5	4	1,2	NMB	Deep Groove Ball Bearings
  MR486028+MI-404828	63,5	95,25	44,7	NTN	Needle Roller Bearings
  NH2209 E	45	85	23	CX	Cylindrical Roller Bearings
  U399/U365L	39,688	79,967	19,395	Fersa	Tapered Roller Bearings
  XR889058	1028,7	1327,15	114,3	Timken	Thrust Roller Bearings
  206KD	30	62	16	FAF	DEEP GROOVE BALL BEARINGS
  249/1180CA	1180	1540	355	SKF	SPHERICAL ROLLER BEARINGS
  SB-22319-SS	95	200	67	McGill	SPHERICAL ROLLER BEARINGS
  W208PPB13	.8750	3.1496	1.4375	FAF	AGRICULTURAL BALL BEARINGS
  2208SA	40	80	23	FED	SELF
  GS81180	404	480		SKF	THRUST ROLLER BEARINGS
  692	2	6	2.3	NTN	DEEP GROOVE BALL BEARINGS