| Brand | NTN |
|---|---|
| Designation | 3221M |
| Dimensions [d x D x W] | 105х190х65.1 mm. |
| Bore diameter (d) | 4.134 in. / 105 mm. |
| Outside diameter (D) | 7.48 in. / 190 mm. |
| Width (B) | 2.563 in. / 65.1 mm. |
| Weight | 3.538 lbs. / 7.8 kg. |
| Sealing | Without / Open |
| Number of rows | 2 |
| Radial internal clearance | Normal |
| Tolerance class | Normal |
| Bore type | Cylindrical |
| Outer ring type | Cylindrical |
| Bearing Material | Bearing steel |
| Cage | Machined brass |
| Series | Metric |
Double-row open angular contact ball bearing NTN 3221M for cylindrical shafts.
The maximum rotation speed is 2600 rpm. Design dynamic load 194kN, design static load 189kN. Contact angle α = 30 °
Slight differences in the contact angle allow you to replace bearing 5221 from other manufacturers.
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