All The inner diameter of the outer ring roller bearing is 4-55 mm Solid roller needle bearing (metric) RLM·LM RNA·NA Inclined circle diameter 8-115 mm Solid roller needle bearing (metric) RNA·NA inner circle diameter 120-490 mm Rolling pin bearing of retaining ring type Inner diameter 5-50 mm Thrust roller bearing Inner diameter 10-100 mm The inner diameter of the connecting rod at the large end of the needle and cage assembly is 12-30 mm The inner diameter of the connecting rod of the needle and cage assembly is 9-19 mm Roll pin and cage assembly (FWF FWJ), inner contact diameter 5-100 mm Bolt type roller needle bearing outer diameter 16-90 mm