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IKO NA4838 Machined Needle Roller Bearing 190x240x50mm (With Inner Ring)
IKO NA4838 machined-type needle roller bearing, with inner ring. Bore 190mm, OD 240mm, width 50mm. High radial load capacity.
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- High running accuracy and rigidity for demanding industrial drives
- IKO (Nippon Thompson) precision manufacture to JIS standards
- Machined-type needle roller bearing - thick, rigid machined and ground outer ring
- Matching inner ring: LRT 20022050
- Supplied with an integral inner ring for mounting on unhardened shafts
- Very high radial load and shock capacity in a compact cross section
| Brand | IKO |
|---|---|
| Bearing Type | Machined Needle Roller Bearing |
| Series | NA |
| Measurement System | Metric |
| Inner Diameter (Bore) | 190 mm |
| Outer Diameter | 240 mm |
| Width | 50 mm |
| Configuration | With Inner Ring |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 255000 N (255.0 kN) |
| Static Load Rating (C₀) | 766000 N (766.0 kN) |
| Limiting Speed (Grease) | 960 rpm |
| Limiting Speed (Oil) | 1600 rpm |
| Compatible Inner Ring | LRT20022050 |
| Weight | 5.76 kg |
| Features & Benefits | High running accuracy and rigidity for demanding industrial drives IKO (Nippon Thompson) precision manufacture to JIS standards Machined-type needle roller bearing - thick, rigid machined and ground outer ring Matching inner ring: LRT 20022050 Supplied with an integral inner ring for mounting on unhardened shafts Very high radial load and shock capacity in a compact cross section |
The IKO NA4838 is a machined-type needle roller bearing with its own inner ring, for a 190mm shaft (metric series). Machined and ground from solid bearing steel, it has a thick, rigid outer ring that carries very high radial loads and shock in a compact section. Boundary dimensions 190 x 240 x 50mm.
The integral inner ring provides a ready raceway so the bearing can mount directly on a soft or unhardened shaft. Suitable for high radial loads in gearboxes, pumps, and industrial machinery. Compatible inner ring: LRT 20022050. Manufactured by IKO (Nippon Thompson), Japan.
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