| | Machined type needle roller bearing NA4904UU, the NA4904UU inner diameter is 20mm, the outer diameter is 37mm, width of the cone (inner ring) is 18mm and the outer ring width is 17mm. - Item: NA4904UU Bearing
- Type: Needle Roller Bearing
- Closures: Rubber Sealed (both sides)
- Dimensions: 20mm x 37mm x 18mm /Metric
- ID (inner diameter)/Bore: 20mm
- OD (outer diameter): 37mm
- inner ring: 18mm
- outer ring: 17mm
- Size: 20mm x 37mm x 18mm
- Quantity: One Bearing (inner cone is included)
- Dynamic Load Rating: 1,830 KGF
- Static Load Rating: 2,090 KGF
| Dimensions | | d | dr | D | B | B1 | | 20mm | 25mm | 37mm | 17mm | 18mm | |