... 1000 Stud Type Track Roller sets available. 2,Stud Type Track Roller OEM service available 3,KR13 Stud Track Roller STud Type ... ), a needle cage which orients and contains the needle rollers, the needle rollers themselves, and an outer race.Radial needle bearings are ... , pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least 8 needle bearings (4 ...