SKF single-row deep groove ball bearing · catalog page 280
6311-2Z
Exact manufacturer product-table record from SKF's rolling-bearing catalog.
Published bearing data
Dimensions and ratings
- Designation
- 6311-2Z
- Static load rating C0
- 45 kN
- Fatigue load limit Pu
- 1.9 kN
- Reference speed
- 12,000 rpm
- Limiting speed
- 6,300 rpm
- Mass
- 1.4 kg
- Catalog / PDF page
- 280 / 282
- Published row text
- 120 29 74,1 45 1,9 12 000 6 300 1,4 ▶ 6311-2Z 6311-Z
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
55 mm bore61811-2RS172 × 9 mm · 5,300 rpm55 mm bore61811-2RZ72 × 9 mm · 9,500 rpm55 mm bore6181172 × 9 mm · 12,000 rpm55 mm bore61911-2RS180 × 13 mm · 5,000 rpm55 mm bore61911-2RZ80 × 13 mm · 8,500 rpm55 mm bore6191180 × 13 mm · 11,000 rpm55 mm bore1601190 × 11 mm · 10,000 rpm55 mm bore6011 M90 × 18 mm · 14,000 rpm