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Miniature bearing are simple in design, non-separable, suitable for high and even very high speeds and are robust in operation, requiring little maintenance.Deep-groove bearings have higher load ratings for their size than shallow-groove
Miniature bearing are simple in design, non-separable, suitable for high and even very high speeds and are robust in operation, requiring little maintenance.Deep-groove bearings have higher load ratings for their size than shallow-groove , but are also less tolerant of misalignment of the inner and outer races. suitable for precision instrument, low noise electromotor, automobile and motorcycle, etc. It is the the most widely used bearing type.
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Series table
Principal dimensions （mm) Basic load ratings KN Pu Speed ratings rpm Weight kg Designation d D B dyc Cr stc Cor Speed Ratings Limiting Speed 3 10 4 0.54 0.18 0.007 130000 80000 0.0015 623 4 9 2.5 0.54 0.18 0.007 140000 85000 0.0007 618/4 4 11 4 0.715 0.232 0.01 130000 80000 0.0017 619/4 4 12 4 0.806 0.28 0.012 120000 75000 0.0021 604 4 13 5 0.936 0.29 0.012 110000 67000 0.0031 624 4 16 5 1.11 0.38 0.016 95000 60000 0.0054 634 5 11 3 0.637 0.255 0.011 120000 75000 0.0012 618/5 5 13 4 0.884 0.34 0.014 110000 67000 0.0025 619/5 5 16 5 1.14 0.38 0.016 95000 60000 0.005 *625 5 19 6 2.34 0.95 0.04 80000 50000 0.009 *635 6 13 3.5 0.884 0.345 0.015 110000 67000 0.002 618/6 6 15 5 1.24 0.475 0.02 100000 63000 0.0039 619/6 6 19 6 2.34 0.95 0.04 80000 50000 0.0084 *626 7 14 3.5 0.956 0.4 0.017 100000 63000 0.0022 618/7 7 17 5 1.48 0.56 0.024 90000 56000 0.0049 619/7 7 19 6 2.34 0.95 0.04 85000 53000 0.0075 *607 7 22 7 3.45 1.37 0.057 70000 45000 0.013 *627 8 16 4 1.33 0.57 0.024 90000 56000 0.003 618/8 8 19 6 1.9 0.735 0.031 80000 50000 0.0071 619/8 8 22 7 3.45 1.37 0.057 75000 48000 0.012 *608 8 24 8 3.9 1.66 0.071 63000 40000 0.017 *628 9 17 4 1.43 0.64 0.027 85000 53000 0.0034 618/9 9 20 6 2.08 0.865 0.036 80000 48000 0.0076 619/9 9 24 7 3.9 1.66 0.071 70000 43000 0.014 *609 9 26 8 4.75 1.96 0.083 60000 38000 0.02 *629 10 19 5 1.38 0.585 0.025 80000 48000 0.0055 61800 10 22 6 2.08 0.85 0.036 75000 45000 0.01 61900 10 26 8 4.75 1.96 0.083 67000 40000 0.019 *6000 10 28 8 4.62 1.96 0.083 63000 40000 0.022 16100 10 30 9 5.4 2.36 0.1 56000 34000 0.032 *6200 10 35 11 8.52 3.4 0.143 50000 32000 0.053 *6300 Series table
Principal dimensions （mm) Basic load ratings KN Pu Speed ratings rpm Weight kg Designation d D B dyc Cr stc Cor Speed Ratings Limiting Speed 3 10 4 0.54 0.18 0.007 130000 80000 0.0015 623 4 9 2.5 0.54 0.18 0.007 140000 85000 0.0007 618/4 4 11 4 0.715 0.232 0.01 130000 80000 0.0017 619/4 4 12 4 0.806 0.28 0.012 120000 75000 0.0021 604 4 13 5 0.936 0.29 0.012 110000 67000 0.0031 624 4 16 5 1.11 0.38 0.016 95000 60000 0.0054 634 5 11 3 0.637 0.255 0.011 120000 75000 0.0012 618/5 5 13 4 0.884 0.34 0.014 110000 67000 0.0025 619/5 5 16 5 1.14 0.38 0.016 95000 60000 0.005 *625 5 19 6 2.34 0.95 0.04 80000 50000 0.009 *635 6 13 3.5 0.884 0.345 0.015 110000 67000 0.002 618/6 6 15 5 1.24 0.475 0.02 100000 63000 0.0039 619/6 6 19 6 2.34 0.95 0.04 80000 50000 0.0084 *626 7 14 3.5 0.956 0.4 0.017 100000 63000 0.0022 618/7 7 17 5 1.48 0.56 0.024 90000 56000 0.0049 619/7 7 19 6 2.34 0.95 0.04 85000 53000 0.0075 *607 7 22 7 3.45 1.37 0.057 70000 45000 0.013 *627 8 16 4 1.33 0.57 0.024 90000 56000 0.003 618/8 8 19 6 1.9 0.735 0.031 80000 50000 0.0071 619/8 8 22 7 3.45 1.37 0.057 75000 48000 0.012 *608 8 24 8 3.9 1.66 0.071 63000 40000 0.017 *628 9 17 4 1.43 0.64 0.027 85000 53000 0.0034 618/9 9 20 6 2.08 0.865 0.036 80000 48000 0.0076 619/9 9 24 7 3.9 1.66 0.071 70000 43000 0.014 *609 9 26 8 4.75 1.96 0.083 60000 38000 0.02 *629 10 19 5 1.38 0.585 0.025 80000 48000 0.0055 61800 10 22 6 2.08 0.85 0.036 75000 45000 0.01 61900 10 26 8 4.75 1.96 0.083 67000 40000 0.019 *6000 10 28 8 4.62 1.96 0.083 63000 40000 0.022 16100 10 30 9 5.4 2.36 0.1 56000 34000 0.032 *6200 10 35 11 8.52 3.4 0.143 50000 32000 0.053 *6300 Series table
Principal dimensions （mm) Basic load ratings KN Pu Speed ratings rpm Weight kg Designation d D B dyc Cr stc Cor Speed Ratings Limiting Speed 3 10 4 0.54 0.18 0.007 130000 80000 0.0015 623 4 9 2.5 0.54 0.18 0.007 140000 85000 0.0007 618/4 4 11 4 0.715 0.232 0.01 130000 80000 0.0017 619/4 4 12 4 0.806 0.28 0.012 120000 75000 0.0021 604 4 13 5 0.936 0.29 0.012 110000 67000 0.0031 624 4 16 5 1.11 0.38 0.016 95000 60000 0.0054 634 5 11 3 0.637 0.255 0.011 120000 75000 0.0012 618/5 5 13 4 0.884 0.34 0.014 110000 67000 0.0025 619/5 5 16 5 1.14 0.38 0.016 95000 60000 0.005 *625 5 19 6 2.34 0.95 0.04 80000 50000 0.009 *635 6 13 3.5 0.884 0.345 0.015 110000 67000 0.002 618/6 6 15 5 1.24 0.475 0.02 100000 63000 0.0039 619/6 6 19 6 2.34 0.95 0.04 80000 50000 0.0084 *626 7 14 3.5 0.956 0.4 0.017 100000 63000 0.0022 618/7 7 17 5 1.48 0.56 0.024 90000 56000 0.0049 619/7 7 19 6 2.34 0.95 0.04 85000 53000 0.0075 *607 7 22 7 3.45 1.37 0.057 70000 45000 0.013 *627 8 16 4 1.33 0.57 0.024 90000 56000 0.003 618/8 8 19 6 1.9 0.735 0.031 80000 50000 0.0071 619/8 8 22 7 3.45 1.37 0.057 75000 48000 0.012 *608 8 24 8 3.9 1.66 0.071 63000 40000 0.017 *628 9 17 4 1.43 0.64 0.027 85000 53000 0.0034 618/9 9 20 6 2.08 0.865 0.036 80000 48000 0.0076 619/9 9 24 7 3.9 1.66 0.071 70000 43000 0.014 *609 9 26 8 4.75 1.96 0.083 60000 38000 0.02 *629 10 19 5 1.38 0.585 0.025 80000 48000 0.0055 61800 10 22 6 2.08 0.85 0.036 75000 45000 0.01 61900 10 26 8 4.75 1.96 0.083 67000 40000 0.019 *6000 10 28 8 4.62 1.96 0.083 63000 40000 0.022 16100 10 30 9 5.4 2.36 0.1 56000 34000 0.032 *6200 10 35 11 8.52 3.4 0.143 50000 32000 0.053 *6300 Series table
Principal dimensions （mm) Basic load ratings KN Pu Speed ratings rpm Weight kg Designation d D B dyc Cr stc Cor Speed Ratings Limiting Speed 3 10 4 0.54 0.18 0.007 130000 80000 0.0015 623 4 9 2.5 0.54 0.18 0.007 140000 85000 0.0007 618/4 4 11 4 0.715 0.232 0.01 130000 80000 0.0017 619/4 4 12 4 0.806 0.28 0.012 120000 75000 0.0021 604 4 13 5 0.936 0.29 0.012 110000 67000 0.0031 624 4 16 5 1.11 0.38 0.016 95000 60000 0.0054 634 5 11 3 0.637 0.255 0.011 120000 75000 0.0012 618/5 5 13 4 0.884 0.34 0.014 110000 67000 0.0025 619/5 5 16 5 1.14 0.38 0.016 95000 60000 0.005 *625 5 19 6 2.34 0.95 0.04 80000 50000 0.009 *635 6 13 3.5 0.884 0.345 0.015 110000 67000 0.002 618/6 6 15 5 1.24 0.475 0.02 100000 63000 0.0039 619/6 6 19 6 2.34 0.95 0.04 80000 50000 0.0084 *626 7 14 3.5 0.956 0.4 0.017 100000 63000 0.0022 618/7 7 17 5 1.48 0.56 0.024 90000 56000 0.0049 619/7 7 19 6 2.34 0.95 0.04 85000 53000 0.0075 *607 7 22 7 3.45 1.37 0.057 70000 45000 0.013 *627 8 16 4 1.33 0.57 0.024 90000 56000 0.003 618/8 8 19 6 1.9 0.735 0.031 80000 50000 0.0071 619/8 8 22 7 3.45 1.37 0.057 75000 48000 0.012 *608 8 24 8 3.9 1.66 0.071 63000 40000 0.017 *628 9 17 4 1.43 0.64 0.027 85000 53000 0.0034 618/9 9 20 6 2.08 0.865 0.036 80000 48000 0.0076 619/9 9 24 7 3.9 1.66 0.071 70000 43000 0.014 *609 9 26 8 4.75 1.96 0.083 60000 38000 0.02 *629 10 19 5 1.38 0.585 0.025 80000 48000 0.0055 61800 10 22 6 2.08 0.85 0.036 75000 45000 0.01 61900 10 26 8 4.75 1.96 0.083 67000 40000 0.019 *6000 10 28 8 4.62 1.96 0.083 63000 40000 0.022 16100 10 30 9 5.4 2.36 0.1 56000 34000 0.032 *6200 10 35 11 8.52 3.4 0.143 50000 32000 0.053 *6300