SKF single-row deep groove ball bearing · catalog page 262
638-2RZ
Exact manufacturer product-table record from SKF's rolling-bearing catalog.
Published bearing data
Dimensions and ratings
- Designation
- 638-2RZ
- Static load rating C0
- 0.57 kN
- Fatigue load limit Pu
- 0.024 kN
- Reference speed
- 60,000 rpm
- Limiting speed
- 30,000 rpm
- Mass
- 0.03 kg
- Catalog / PDF page
- 262 / 264
- Published row text
- 28 9 1,33 0,57 0,024 60 000 30 000 0,03 638-2RZ 638-RZ
Verification boundary
What still needs to match
Exact suffix/designMatch shields/seals, cage design, snap-ring features, tolerance class, and internal clearance.
Fits and dimensionsConfirm shaft/housing fits, chamfers, shoulders, preload/clearance effects, and mounting arrangement.
DutyCheck radial/axial load, speed, lubrication, temperature, contamination, and bearing life requirements.
Special requirementsVerify insulation, noise, stainless/high-temperature needs, and the latest SKF product data before ordering.
Related SKF bearings
Same bore size
8 mm bore618/816 × 4 mm · 56,000 rpm8 mm bore628/8-2RS116 × 5 mm · 26,000 rpm8 mm bore628/8-2Z16 × 5 mm · 45,000 rpm8 mm bore638/8-2Z16 × 6 mm · 45,000 rpm8 mm bore619/8-2RS119 × 6 mm · 24,000 rpm8 mm bore619/8-2Z19 × 6 mm · 43,000 rpm8 mm bore619/819 × 6 mm · 53,000 rpm8 mm bore607/8-2Z19 × 6 mm · 43,000 rpm