BTN Series: Single-row, angular contact ball bearings with a 40° contact angle. Their unique internal design optimizes the position of the balls, enhancing load capacity and rigidity for high-speed applications like electric motors.




| Inquiry | Principal Dimensions(mm) | Designation | Basic Load Ratlngs(kN) | Limited Speed(rpm) | |||||
|---|---|---|---|---|---|---|---|---|---|
| d | D | B | Cr | Cor | Grease | Oil | |||
| 80 | 140 | 26 | 7216B | 78.7 | 65.7 | 4000 | 5300 | ||
| 80 | 170 | 39 | 7316B | 141.4 | 107.9 | 3200 | 4800 | ||
| 85 | 150 | 28 | 7217B | 83.2 | 74.1 | 3800 | 5000 | ||
| 85 | 180 | 41 | 7317B | 155.8 | 120.9 | 3000 | 4000 | ||
| 90 | 160 | 30 | 7218B | 107.6 | 92.4 | 3200 | 4300 | ||
| 90 | 190 | 43 | 7318B | 157.9 | 136.9 | 3000 | 4000 | ||
| 95 | 170 | 32 | 7219B | 121.4 | 106.7 | 3000 | 4000 | ||
| 95 | 200 | 45 | 7319B | 172 | 154.1 | 2800 | 4000 | ||
| 100 | 180 | 34 | 7220B | 140.7 | 102.5 | 2800 | 3800 | ||
| 100 | 215 | 47 | 7320B | 190 | 177.3 | 2600 | 3800 | ||
| 105 | 190 | 36 | 7221B | 143.3 | 128.5 | 2800 | 3800 | ||
| 105 | 225 | 49 | 7321B | 201.7 | 193.3 | 2400 | 3600 | ||
| 110 | 200 | 38 | 7222B | 153.8 | 144.3 | 2400 | 3400 | ||
| 110 | 240 | 50 | 7322B | 225.8 | 225.3 | 2200 | 3400 | ||
| 120 | 215 | 40 | 7224B | 165.4 | 161.4 | 2200 | 3200 | ||
| 120 | 260 | 55 | 7324B | 250.4 | 262 | 1900 | 2800 | ||