- Some sizes are available with a closed end.
- The bearing must be used with a hardened inner ring, or a hardened shaft.
- Some sizes are available as full complement grease retained roller or mechanically retainer roller designs.
HK4520 Metric Series Needle Roller Bearing
|Bearing Type||Cage Retained Rollers|
|Outer Dia (D)||52.000||mm|
|Dynamic Load Rating (Cr)||27,000||N|
|Static Load Rating (Cor)||59,000||N|
|Max Speed (Grease)||6,000||X1000 rpm|
|Material||Drawn cup: Hardened carbon steel alloy, Rollers - 52100 Chrome steel or equivalent|