SKU: 6311ZZ/5K-NTN
NTN 6311ZZ/5K Metal Shielded Type Deep Groove Ball Bearing 55x120x29mm
Equivalent to: 6311ZZCM 6311ZZ 6311ZZ 63112Z 6311ZZ 63112ZR 6311ZZE 6311FF 6311DD 6311DDC 6311KDDC EL552Z EL55ZZ 9111KDD 9111FF 111KSFF 773L11 6111PP
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Description
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Metal Shielded Deep Groove Ball Bearings: One of the most commonly used bearings, these types are manufactured with metal shields inserted into the outer raceway, these fit in closely to the inner race providing protection against light mechanical damage, some protection against the ingress of moisture, dust and other foreign matter and serve to retain the pre-filled grease in the bearing. |
Note: These bearings are supplied pre-filled with grease, "/5k" refers to the grease: Multemp SRL (-40 deg C to +150 deg C)
- Brand / Quality:
- NTN - High Quality
- Inside Diameter:
- 55mm
- Outside Diameter:
- 120mm
- Width:
- 29mm
- Seals / Shields:
- Metal Shielded
- Clearance:
- * Standard
Technical
| --- | Bearing dimensions |
|---|---|
| d | 55mm |
| D | 120mm |
| B | 29mm |
| r<sub>s</sub> min | 2mm |
| --- | Loads angles and speeds |
| C<sub>r</sub> | 79.5 kN |
| C<sub>or</sub> | 45 kN |
| C<sub>u</sub> | 3.5 kN |
| f<sub>0</sub> | 13.2 kN |
| Grease | 5800 rpm |
| Oil | 6800 rpm |
| --- | Fitting Dimensions |
| d<sub>a</sub> Min. | 64mm |
| d<sub>a</sub> Max. | 74mm |
| D<sub>a</sub> Max. | 111mm |
| r<sub>as</sub> Max. | 2mm |
| Weight | 1.37 kg |
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