Bearing series
NA4900 Series Bearings
NA4900 Series Bearings are compact needle roller bearings with a machined outer ring and high radial load capacity for tight spaces. Use the table to compare standard dimensions and closure options before confirming an RFQ.
11indexed models
Dimension directory
NA4900 series model chart
Type a model, suffix, or dimension.
| Model | Dimensions | Closure | Details |
|---|---|---|---|
| NA4900 | 10mm x 22mm x 13mm | Open | View specifications |
| NA4901 | 12mm x 24mm x 13mm | Open | View specifications |
| NA4902 | 15mm x 28mm x 13mm | Open | View specifications |
| NA4903 | 17mm x 30mm x 13mm | Open | View specifications |
| NA4904 | 20mm x 37mm x 17mm | Open | View specifications |
| NA4905 | 25mm x 42mm x 17mm | Open | View specifications |
| NA4906 | 30mm x 47mm x 17mm | Open | View specifications |
| NA4907 | 35mm x 54mm x 20mm | Open | View specifications |
| NA4908 | 40mm x 62mm x 22mm | Open | View specifications |
| NA4909 | 45mm x 68mm x 22mm | Open | View specifications |
| NA4910 | 50mm x 72mm x 22mm | Open | View specifications |
Before ordering
Match the complete suffix as well as the bore, outside diameter, and width. Clearance, precision, cage, seal design, and lubrication can differ even when the basic series number is the same.
Request series quotation