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：2023-03-04
• Application:Cutting Machine,Liposuction device,Embroidery,relay,Generator,electric pump,Cylinder Special,wall industry,magnetic elements,Spectrum Products,cooling system
• Similar models:ISB 63802 SKF W638 ISO 63802ZZ SKF W63801-2RZ ZEN S638 CX 63801-2RS CYSD 1638 SKF W638/3R-2Z ISO 63803-2RS KOYO 638ZZ
• 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
  344/332	40	80	21	ISO	Tapered Roller Bearings
  6068	340	520	82	NSK	Deep Groove Ball Bearings
  7204 BECBY	47	20	14	SKF	Angular Contact Ball Bearings
  81240 M	200	280		AST	Thrust Roller Bearings
  81252-M	260	360	79	NBS	Thrust Roller Bearings
  GE15DO-2RS	15	26	12	ISO	Plain Bearings
  HCB71910-C-2RSD-T-P4S	50	72	12	FAG	Angular Contact Ball Bearings
  HM926749/10	127,792	228,6	53,975	ISO	Tapered Roller Bearings
  KFA070	177,8	215,9	19,05	KOYO	Angular Contact Ball Bearings
  NAF 9012030	90	120	30	IKO	Needle Roller Bearings
  NN3015/W33	75	115	30	CYSD	Cylindrical Roller Bearings
  NP216 E	80	140	26	CX	Cylindrical Roller Bearings
  NUP 1012	60	95	18	NACHI	Cylindrical Roller Bearings
  NUP 314 E	70	150	35	NACHI	Cylindrical Roller Bearings
  R780-2	780	925	95	NSK	Cylindrical Roller Bearings
  TUW1 48	48	74	2	CX	Plain Bearings
  7338B.MP.U(A/O)	190	400	78	FAG	ANGULAR CONTACT BALL BEARINGS
  95924	1.5000	2.1250	1.5000	BERLISS	JOURNAL ROLLER ASSEMBLIES
  NCF3013CV	65	100	26	SKF	CYLINDRICAL ROLLER BEARINGS
  RNA2200.2RSX	30		13.8	SKF	NEEDLE BEARINGS