SKU: 6921ZZ/2AS-NTN
NTN 6921ZZ/2AS Metal Shielded Type Deep Groove Ball Bearing 105x145x20mm
Equivalent to: 6921ZZCM 61921ZZCM 6921ZZ 61921ZZ 6921ZZ 69212Z 6921ZZ 69212ZR 6921ZZE 6921FF 6921DD 6921DDC 6921KDDC EL1052Z EL105ZZ 9121KDD 9121FF 121KSFF 773L21 6121PP
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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, "/2AS" refers to Shell Alvania Grease S2
- Brand / Quality:
- NTN - High Quality
- Inside Diameter:
- 105mm
- Outside Diameter:
- 145mm
- Width:
- 20mm
- Seals / Shields:
- Metal Shielded
- Clearance:
- * Standard
Technical
| --- | Bearing dimensions |
|---|---|
| d | 105mm |
| D | 145mm |
| B | 20mm |
| r<sub>s</sub> min | 1.1mm |
| --- | Loads angles and speeds |
| C<sub>r</sub> | 47 kN |
| C<sub>or</sub> | 42 kN |
| C<sub>u</sub> | 2.52 kN |
| f<sub>0</sub> | 16.5 kN |
| Grease | 4300 rpm |
| Oil | 5100 rpm |
| --- | Fitting Dimensions |
| d<sub>a</sub> Min. | 111.5mm |
| d<sub>a</sub> Max. | 115mm |
| D<sub>a</sub> Max. | 138.5mm |
| r<sub>as</sub> Max. | 1mm |
| Weight | 0.816 kg |
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