Machined Needle-Roller Bearing 45mm ID 55mm OD 20mm Width High Carbon Steel Oil Hole Caged Light Duty Single Pack Metric TAF Series 31000N Dynamic Load 9000rpm Max-Speed

Machined needle-roller bearing single pack 45mm ID
✔️ 45mm ID x 55mm OD x 20mm W; 31,000N dyn cap; 9,000rpm max

This single needle roller bearing is a machined, caged metric unit made from high-carbon steel, with oil holes for lubrication; commonly used in compact linear slide units, transmissions, and industrial shafts.

✅ Type: Caged light-duty machined single-row; Metric TAF series
✅ Material: High carbon steel; open enclosure with oil holes
✅ Dimensions: 45mm ID, 55mm OD, 20mm width
✅ Load ratings: Dynamic 31,000 N, Static 60,200 N
✅ Max speed: 9,000 rpm; weight approx 90.7 g each
✅ Use cases: linear slide unit, compact shafts, transmissions

💡 What is a needle roller bearing used for in linear slide units and compact shafts? Needle roller bearings deliver high radial load capacity in tight spaces while keeping a low profile. - Ideal where low height and high load handling are required for smooth linear slide unit motion. - Offers lower friction than some sealed ball bearing options and can be paired with ceramic rollers in hybrid setups. - Commonly selected for compact shafts, gearboxes, and machinery where oil lubrication and tight tolerances are handy.