Description
This W638 4R 2Z SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 4x9x4.
| W | 63 | 8/4 | R | 2Z |
|---|---|---|---|---|
| Stainless Steel | Metric, Extra Small | 4mm - Bore Size | Flanged Outer Ring | Metal Shields on Both Sides of Bearing |
Product Information

Technical Data
Inside Diameter (mm) :
4mm
Outside Diameter (mm) :
9mm
Width (mm) :
4mm
Clearance :
Standard
Seals Or Shields :
Two Metal Shields
Cage Type :
Steel
Dynamic Load Rating (kN) :
0.364
Fatigue Load Rating (kN) :
0.005
Limiting Speed Rating (r/min) :
70000
Reference Speed Rating (r/min) :
140000
Static Load Rating (kN) :
0.114
DescriptionThis W638 4R 2Z SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 4x9x4.
Product InformationBRAND: ![]() SKU:w638/4r-2z-skf AVAILABILITY:In Stock ✅ WEIGHT:0.0009 kg Technical DataInside Diameter (mm) :4mm Outside Diameter (mm) :9mm Width (mm) :4mm Clearance :Standard Seals Or Shields :Two Metal Shields Cage Type :Steel Dynamic Load Rating (kN) :0.364 Fatigue Load Rating (kN) :0.005 Limiting Speed Rating (r/min) :70000 Reference Speed Rating (r/min) :140000 Static Load Rating (kN) :0.114 | ||||||||||
Bulk PricingFor bulk discount on this product, contact our dedicated sales team today by filling out the form below: | ||||||||||





