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311-2ZNR
Additional Details
Single row deep groove ball bearings with filling slots and a snap ring accommodate more balls than standard deep groove ball bearings. They are of a simple, yet versatile, design and are robust in operation, requiring little maintenance. They can accommodate radial and axial loads in both directions. They have a higher radial load carrying capacity than the corresponding bearings without filling slots but have a limited axial load carrying capacity due to the filling slots. The snap ring, fitted in an annular groove in the outer ring, facilitates axial location of the bearings within their housings.
311-2ZNR
Deep groove ball bearings
Technical Specifications
| Series description | Deep groove single-row with filling slot |
|---|---|
| ID d (mm) | 55 |
| OD D (mm) | 120 |
| Width B/T/H (mm) | 29 |
| Dim. | B |
| Bore | รูตรง (Cylindrical bore) |
| Sealing | ฝาเหล็กสองฝั่ง |
| Cage | |
| Clearance | ปกติ |
| Special features | ร่อง snap ring + แหวน (สำหรับล็อกแกน) |
| SKF Explorer | |
| C dynamic (kN) | 79.2 |
| C0 static (kN) | 67 |
| Pu fatigue (kN) | 2.85 |
| Ref. speed (r/min) | 10000 |
| Limiting speed (r/min) | 5000 |
| Mass (kg) | 1.5 |
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