NTN NA4907LL needle roller bearings

What is NTN NA4907LL needle roller bearings in mechanical engineering? Manufacturing Service . Upload your CAD 21 mm d file for an instant.
d | 21 mm |
cage material: | Brass |
bore type: | Straight |
finish/coating: | Uncoated |
internal clearance: | C0 |
closure type: | Open |
precision rating: | RBEC 1 (ISO Class Normal) |
series: | A53 |
Detailed Parameters
parameter:
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