Needle bearing with 12 mm inner diameter, 24 mm outer diameter, 13 mm thickness with outer ring and without inner ring. With two-sided rubbing rubber sealing.
Needle roller bearings are bearings which uses small cylindrical rollers so that they are much more compact. Needle bearings have a large surface area that is in contact with the bearing outer surfaces compared to ball bearings. That brings them a very high load capacity, but makes them also sensitive to incorrect loading directions.
Manufacturer item code: NA4901 2RS