The BTN Series represents a high-performance line of Angular Contact Ball Bearings, engineered for superior rigidity and precision in demanding applications. Characterized by a 40-degree contact angle, this series offers exceptional single-direction axial load capacity. Its non-separable design ensures robust and simplified installation. BTN bearings are ideally suited for machine tool spindles, high-power gearboxes, and industrial pumps where heavy thrust loads and high operational stability are paramount. This design provides reliable performance under the most challenging conditions.
| Inquiry | Designation | Principal Dimensions(mm) | Basic Load Ratlngs(kN) | Limited Speed(rpm) | |||||
|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Cr | Cor | Grease | Oil | |||
| 7216B | 80 | 140 | 26 | 78.7 | 65.7 | 4000 | 5300 | ||
| 7316B | 80 | 170 | 39 | 141.4 | 107.9 | 3200 | 4800 | ||
| 7217B | 85 | 150 | 28 | 83.2 | 74.1 | 3800 | 5000 | ||
| 7317B | 85 | 180 | 41 | 155.8 | 120.9 | 3000 | 4000 | ||
| 7218B | 90 | 160 | 30 | 107.6 | 92.4 | 3200 | 4300 | ||
| 7318B | 90 | 190 | 43 | 157.9 | 136.9 | 3000 | 4000 | ||
| 7219B | 95 | 170 | 32 | 121.4 | 106.7 | 3000 | 4000 | ||
| 7319B | 95 | 200 | 45 | 172 | 154.1 | 2800 | 4000 | ||
| 7220B | 100 | 180 | 34 | 140.7 | 102.5 | 2800 | 3800 | ||
| 7320B | 100 | 215 | 47 | 190 | 177.3 | 2600 | 3800 | ||
| 7221B | 105 | 190 | 36 | 143.3 | 128.5 | 2800 | 3800 | ||
| 7321B | 105 | 225 | 49 | 201.7 | 193.3 | 2400 | 3600 | ||
| 7222B | 110 | 200 | 38 | 153.8 | 144.3 | 2400 | 3400 | ||
| 7322B | 110 | 240 | 50 | 225.8 | 225.3 | 2200 | 3400 | ||
| 7224B | 120 | 215 | 40 | 165.4 | 161.4 | 2200 | 3200 | ||
| 7324B | 120 | 260 | 55 | 250.4 | 262 | 1900 | 2800 | ||
