HRB 7603 series ball screw support bearing 7602020TN/P4DBB
| Model | Dimensions(mm) | ||||
| d | D | B | rs/min | ris /min | |
| 7602012TN | 12 | 32 | 10 | 0.6 | 24 |
| 7602015TN | 15 | 35 | 11 | 0.6 | 27.4 |
| 7602017TN | 17 | 40 | 12 | 0.6 | 31 |
| 7602020TN | 20 | 47 | 14 | 1 | 36 |
| 7603020TN | 20 | 52 | 15 | 1.1 | 39.5 |
| 7602025TN | 25 | 52 | 15 | 1 | 41 |
| 7603025TN | 25 | 62 | 17 | 1.1 | 47.5 |
| 7602030TN | 30 | 62 | 16 | 1 | 48 |
| 7603030TN | 30 | 72 | 19 | 1.1 | 55.5 |
| 7602035TN | 35 | 72 | 17 | 1.1 | 55 |
| 7603035TN | 35 | 80 | 21 | 1.5 | 61.5 |
| 7602040TN | 40 | 80 | 18 | 1.1 | 62.5 |
| 7603040TN | 40 | 90 | 23 | 1.5 | 68.5 |
| 7602045TN | 45 | 85 | 19 | 1.1 | 66 |
| 7603045TN | 45 | 100 | 25 | 1.5 | 77.5 |
| 7602050TN | 50 | 90 | 20 | 1.1 | 71.5 |
| 7603050TN | 50 | 110 | 27 | 2 | 85.5 |
| 7602055TN | 55 | 100 | 21 | 1.5 | 77.5 |
| 7603055TN | 55 | 120 | 29 | 2 | 91.5 |
| 7602060TN | 60 | 110 | 22 | 1.5 | 86 |
| 7603060TN | 60 | 130 | 31 | 2.1 | 98 |
| 7602065TN | 65 | 120 | 23 | 1.5 | 92.5 |
| 7603065TN | 65 | 140 | 33 | 2.1 | 107.5 |
| 7602070TN | 70 | 125 | 24 | 1.5 | 96.5 |
| 7603070TN | 70 | 150 | 35 | 2.1 | 113 |
| 7602075TN | 75 | 130 | 25 | 1.5 | 102.5 |
| 7603075TN | 75 | 160 | 37 | 2.1 | 123 |
| 7602080TN | 80 | 140 | 26 | 2 | 109 |
FAQ1: What are the advantages of the back-to-back design of HRB brand 7602020TNP4 bearings?
The back-to-back pairing (DB configuration) of the HRB 7602020TNP4 allows it to handle combined radial and axial loads. In this configuration, the bearings are mounted with their contact angles facing opposite directions, which helps distribute the load more evenly across the bearing, providing increased capacity to handle high radial and axial stresses in industrial machinery. This is particularly beneficial in heavy-duty applications such as machine tool spindles, large industrial motors, and gearboxes that experience significant forces during operation.
FAQ2: What are some common applications for HRB 7602020TNP4 bearings?
1. The P4 precision grade means that HRB 7602020TNP4 bearings are manufactured to very tight tolerances to ensure optimal performance in high-precision industrial machinery. This precision ensures that the bearings can operate efficiently and accurately, even in high-load, high-speed applications where precision is critical.
2. Due to its robust design, the HRB 7602020TNP4 is well-suited for demanding industrial environments where high loads, vibrations and harsh conditions are common. Its high load capacity and rigidity make it suitable for a wide range of heavy machinery, including CNC machine tools, turbines and mining equipment.
