| Bearing No. | Loading Rating(kN) | Limiting Speed(rpm) | Boundary dimensions(mm) | Weight(kg) | ||||||||||
| Open | With shields | With seals | Cr | Cor | Grease | Oil | Inner Dia | Outer Dia | Width | Assembly Chamfer (rmin) | Close | |||
| RS 2RS | Open Z.ZZ | Open Z.ZZ | d | D | B | |||||||||
| 634 | 634-Z | 634-ZZ | 634-RS | 634-2RS | 0.73 | 0.67 | 32000 | 36000 | 43000 | 4 | 16 | 5 | 0.3 | 0.005 |
| 635 | 635-Z | 635-ZZ | 635-RS | 635-2RS | 2.88 | 1.08 | 30000 | 32000 | 40000 | 5 | 19 | 6 | 0.3 | 0.008 |
| 636 | 636-Z | 636-ZZ | 636-RS | 636-2RS | 3.30 | 1.37 | 28000 | 30000 | 36000 | 6 | 22 | 7 | 0.3 | 0.014 |
| 637 | 637-Z | 637-ZZ | 637-RS | 637-2RS | 4.55 | 1.97 | 22000 | 28000 | 34000 | 7 | 26 | 9 | 0.3 | 0.025 |
| 638 | 638-Z | 638-ZZ | 638-RS | 638-2RS | 4.55 | 1.97 | 22000 | 28000 | 34000 | 8 | 28 | 9 | 0.3 | 0.029 |
| 639 | 639-Z | 639-ZZ | 639-RS | 639-2RS | 5.10 | 2.38 | 20000 | 24000 | 30000 | 9 | 30 | 10 | 0.6 | 0.036 |
| 6300 | 6300-Z | 6300-ZZ | 6300-RS | 6300-2RS | 7.65 | 3.48 | 17000 | 22000 | 26000 | 10 | 35 | 11 | 0.6 | 0.049 |
| 6301 | 6301-Z | 6301-ZZ | 6301-RS | 6301-2RS | 9.72 | 4.23 | 16000 | 20000 | 24000 | 12 | 37 | 12 | 1.0 | 0.059 |
| 6302 | 6302-Z | 6302-ZZ | 6302-RS | 6302-2RS | 11.50 | 5.42 | 13000 | 17000 | 20000 | 15 | 42 | 13 | 1.0 | 0.082 |
| 6303 | 6303-Z | 6303-ZZ | 6303-RS | 6303-2RS | 13.56 | 6.56 | 11000 | 15000 | 18000 | 17 | 47 | 14 | 1.0 | 0.109 |
| 6304 | 6304-Z | 6304-ZZ | 6304-RS | 6304-2RS | 15.93 | 7.81 | 10000 | 14000 | 17000 | 20 | 52 | 15 | 1.1 | 0.142 |
| 6305 | 6305-Z | 6305-ZZ | 6305-RS | 6305-2RS | 22.40 | 11.50 | 8000 | 11000 | 13000 | 25 | 62 | 17 | 1.1 | 0.229 |
| 6306 | 6306-Z | 6306-ZZ | 6306-RS | 6306-2RS | 26.70 | 15.00 | 6700 | 9500 | 12000 | 30 | 72 | 19 | 1.1 | 0.34 |
| 6307 | 6307-Z | 6307-ZZ | 6307-RS | 6307-2RS | 33.50 | 19.20 | 6000 | 8500 | 10000 | 35 | 80 | 21 | 1.5 | 0.464 |
| 6308 | 6308-Z | 6308-ZZ | 6308-RS | 6308-2RS | 40.50 | 24.00 | 5300 | 7500 | 9000 | 40 | 90 | 23 | 1.5 | 0.636 |
| 6309 | 6309-Z | 6309-ZZ | 6309-RS | 6309-2RS | 53.00 | 32.00 | 4800 | 6700 | 8000 | 45 | 100 | 25 | 1.5 | 0.829 |
| 6310 | 6310-Z | 6310-ZZ | 6310-RS | 6310-2RS | 62.00 | 38.50 | 4300 | 6000 | 7500 | 50 | 110 | 27 | 2.0 | 1.06 |
| 63/22 | 63/22-Z | 63/22-ZZ | 63/22-RS | 63/22-2RS | 18.40 | 9.25 | 9200 | 11000 | 13000 | 22 | 56 | 16 | 1.1 | |
| 63/28 | 63/28-Z | 63/28-ZZ | 63/28-RS | 63/28-2RS | 26.70 | 14.00 | 7400 | 89000 | 11000 | 28 | 68 | 18 | 1.1 | |
| 63/32 | 63/32-Z | 63/32-ZZ | 63/32-RS | 60/32-2RS | 29.80 | 16.90 | 6500 | 7700 | 9500 | 32 | 75 | 20 | 1.1 | |