HTZC Precision deep groove ball bearing: 1. Shandong Haotian Bearing Imp&Exp Co., Ltd is an ISO9000 certified company located in Shandong Province. With advanced manufacturing facilities and excellent management staff, our products are equivalent to the world leading brand bearings. 2. We supply all kinds of deep groove ball bearings which are widely used in machinery , automobiles, motorcycles, agriculture machinery, bicycle and fitness equipments. 3. Quality level:Reach the same level as the Japanese and European bearings. 4. Dimensions rage: inter diameter 1mm~~outer diameter 240mm 5. Precision level:P4; P5; P6 6. Sealing from: with one or two side rubber seal:RS,2Rs;with one or two side metal shields Z and ZZ; with a snap ring groove in outer ;with a snap ring groove in outer ring and external snap ring NP 7. Clearance: C2,C3,C4 8. Model size: 6000 series,6200 series,6300 series,6400 series,6800 Series,6900 Series,R Series and so on Such as: 6800 Series 684, 685, 686, 687, 688, 689, 6800, 6801, 6802, 6803, 6804, 6805, 6806, 6807, 6808, 6809, 6810, 6811, 6812, 6813, 6814, 6815, 6816, 6817, 6818, 6819, 6820, 6821, 6822, 6823, 6824, 6825, 6826, 6827, 6828 6900 Series 693, 694, 695, 696, 697, 698, 699, 6900, 6901, 6902, 6903, 6904, 6905, 6906, 6907, 6908, 6909, 6910, 6911, 6912, 6913, 6914, 6915, 6916, 6917, 6918, 6919, 6920, 6921, 6922, 6923, 6924, 6925, 6926, 6927, 6928 6000 Series 604, 605, 606, 607, 608, 609, 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 6010, 6011, 6012, 6013, 6014, 6015, 6016 6200 Series 623, 624, 625, 626, 627, 628, 629, 6200, 6201, 6202, 6203, 6204, 6205, 6206, 6207, 6208, 6209, 6210, 6211, 6212, 6213, 6214, 6215, 6216 6300 Series 634, 635, 636, 638, 6300, 6301, 6302, 6303, 6304, 6305, 6306, 6307, 6308, 6309, 6310, 6311, 6312, 6313, 6314 R Series R3, R4, R4A, R6, R8, R10, R12, 99502 Special Size Series 16001, 16002, 16003, 16004, 16204