ST...B series ordinary linear ball bearings are high-precision, low-friction motion components that are widely used in automation equipment, machining and transportation systems. This kind of bearing uses high-quality steel balls combined with guide rails to achieve smooth linear motion, significantly reducing friction losses and improving work efficiency. The ST...B series has a compact design, is easy to install and maintain, and is suitable for a variety of load conditions. In addition, its excellent wear resistance and corrosion resistance ensure long-term stable performance and adapt to harsh working environments.
Product parameters
| Model | Maximum stroke(mm) | Number of rows | dr | Major dimensions and tolerance | Basic load rating(kN) | Weight(Kg) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | Tolerance | D mm | Tolerance(μm) | L mm | Tolerance(μm) | l mm | T mm | t (mm) | d(mm) | r | Dynamic | Static | ||||
| ST 8B | 8 | 6 | 8 | 1.69 | 15 | 0/-11 | 24 | 0/ -0.2 | 17.1 | 1.5 | 0.5 | 1.2 | 0.5 | 549 | 490 | 16.8 |
| ST 10B | 8 | 6 | 10 | 1.69 | 19 | 0/-13 | 30 | 0/ -0.2 | 22.7 | 1.5 | 0.5 | 1.2 | 0.5 | 130 | 931 | 31.2 |
| ST 12B | 8 | 6 | 12 | 1.69 | 23 | 0/-13 | 32 | 0/ -0.2 | 24.5 | 1.5 | 0.5 | 1.2 | 0.5 | 1720 | 1630 | 46 |
| ST 16B | 16 | 6 | 16 | 1.69 | 28 | 0/-13 | 37 | 0/ -0.2 | 29.1 | 1.5 | 0.7 | 1.3 | 0.5 | 1910 | 1980 | 75 |
| ST 20B | 20 | 6 | 20 | 1.65 | 32 | 0/-16 | 45 | 0/ -0.2 | 35.8 | 2 | 0.7 | 1.5 | 0.5 | 260 | 2320 | 106 |
| ST 25B | 20 | 6 | 25 | 1.65 | 37 | 0/-16 | 45 | 0/ -0.3 | 35.8 | 2 | 0.7 | 1.6 | 1 | 2170 | 2670 | 125 |
| ST 30B | 44 | 6 | 30 | 1.65 | 45 | 0/-16 | 65 | 0/ -0.3 | 53.5 | 2.5 | 1 | 2 | 1 | 4800 | 6270 | 220 |
| ST 35B | 54 | 6 | 35 | 1.64 | 52 | 0/-19 | 70 | 0/ -0.3 | 58.5 | 2.5 | 1 | 2 | 1.5 | 550 | 760 | 346 |
| ST 40B | 66 | 6 | 40 | 1.64 | 60 | 0/-19 | 80 | 0/ -0.3 | 68.3 | 2.5 | 1 | 2 | 1.5 | 6710 | 9560 | 540 |
| ST 50B | 88 | 6 | 50 | 1.64 | 72 | 0/-19 | 100 | 0/ -0.3 | 86.4 | 3 | 1 | 2.5 | 1.5 | 8970 | 13800 | 862 |
| ST 60B | 88 | 6 | 60 | 1.63 | 85 | 0/-22 | 100 | 0/ -0.3 | 86.4 | 3 | 1 | 2.5 | 2 | 9700 | 16500 | 1290 |
| ST 80B | 76 | 6 | 80 | 1.63 | 110 | 0/-22 | 100 | 0/ -0.4 | 86 | 3 | 1.5 | 2.5 | 2 | 12700 | 24300 | 2110 |
| ST100B | 76 | 6 | 100 | 1.61 | 130 | 0/-25 | 100 | 0/ -0.4 | 86 | 3 | 1.5 | 2.5 | 2 | 13700 | 29400 | 2520 |
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