RNA4904-2RSR-XL INA Machined Needle Roller Bearing - 25X37X17MM 25877/25821 NU 4 09 M C3

NU 4 09 M C3 Metric

This SF2 bearing is a Cast Iron Flange Bearing Unit

This 7205A5TRDULP3 bearing is a Super Precision angular contact bearing with a 25° contact angle and a phenolic cage

This 1319-K-M-C3 bearing is a double row

RNA4904-2RSR-XL INA Machined Needle Roller Bearing - 25X37X17MM 25877/25821 NU 4 09 M C3The RNA4904 2RSR XL is a Standard Duty, Single Row Machined Needle Roller Bearing with a lubrication groove and oil hole in the Outer Ring, and 2 Rubber Seals. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by