... 1. More than 10 years export experience 2. ISO 9001 3. OEM service is available 4. Strict quality contral 5. ... .121620525521510.786.980.12762/2828581615.528.560.171620630621619.9711.20.19962/3232651723.513.10.240620735721725.715.40.287620840801829.117. ... tapered roller bearing, spherical thrust roller bearing, clutch bearing, etc.3 retainer: cooper, nylon, bakelite, stainless.4 quality:ISO90005 delivery ...