Cixi Longyu Bearing Industrial Co.,Ltd.
/CIXI HUOPUSI IMP.&EXP.CO.,LTD.

63 Series
  • 63 Series

Introducing our premium motorcycle bearings, designed and engineered with the ultimate precision and durability. These bearings are crafted with high grade materials and expert craftsmanship to ensure maximum smoothness and reliability on the road. Trust us to deliver superior performance even under the toughest conditions. Smooth rides, easy handling, and longer life are just some of the benefits you can expect from our motorcycle bearings. So why settle for anything less? Invest in the best and experience the ultimate riding experience. Choose from our wide range ofproducts that are tailor-made to fit varying motorcycle models and specifications. Get yours today and take your ride to the next level!


selectInquiryDesignationPrincipal dimensions(mm)Basic load ratings(N)Basic load ratings{kgf} Speed ratings(rpm) Abutment and fillet dimensions (mm)Weight(g)
With shiledOpen typeWith seal VVWith seal DDdDBB1r(min)CrCorCrCorGreaseOil da(min)db(max)Da(Max)Db(min)ra(max)rb(max)Open typeWith shiled
ZZD·DZ
633 633ZZ - - 3 13 5 5 0.2 1300 485 133 49 40000 - 48000 4.6 6 11.4 11.3 0.2 0.2 3.38 3.33
634 634ZZ1 - - 4 16 5 5 0.3 1730 670 177 68 36000 - 43000 6 7.5 14 13.8 0.3 0.3 5.24 5.21
635 635ZZ1 635VV 635DD 5 19 6 6 0.3 2340 885 238 90 32000 30000 40000 7 8.5 17 16.5 0.3 0.3 8.56 8.34
636 636ZZ 636VV 636DD 6 22 7 7 0.3 3300 1370 335 140 30000 28000 36000 8 10.5 20 19 0.3 0.3 14 14
637 637ZZ1 637VV 637DD 7 26 9 9 0.3 4550 1970 465 201 28000 22000 34000 9 12.8 24 22.8 0.3 0.3 24 25
638 638ZZ1 638VV 638DD 8 28 9 9 0.3 4550 1970 465 201 28000 22000 34000 10 12.8 26 22.8 0.3 0.3 28.3 28.6
639 639ZZ 639VV - 9 30 10 10 0.6 5100 2390 520 244 24000 - 30000 13 16.1 26 25.6 0.6 0.6 36.5 36