The ZKLDF bidirectional thrust angular contact ball bearing series offers high precision, low friction, high speed, high axial and radial load capacity, and high tilting rigidity. It is particularly well-suited for applications involving combined loads, such as high-speed rotary tables, milling, grinding, honing heads, as well as precision measurement and testing equipment.
Bearing Advantages:
The ZKLDF bidirectional thrust angular contact ball bearing series features high precision, low friction, high speed, high axial and radial load capacity, and high tilting rigidity. It is ideal for applications with combined loads, such as high-speed rotary tables, milling, grinding, honing heads, and precision measurement and testing equipment.

| Screw connection QTY |
Connect screws holes |
Pitch t |
Tightening torque of screw |
Basic rated load | Limited speed | Bearing Friction Torque | Weight | Bearing type | ||
| Axial | ||||||||||
| Dynamic | Static | |||||||||
| Ma | Ca | Coa | Grease Lubrication | |||||||
| G | QTY | QTY Xt | Nm | KN | r/min | Nm | ≈Kg | |||
| 2 | M5 | 3 | 18×20° | 8.5 | 67 | 251 | 2800 | 1.6 | 4.5 | ZKLDF100 |
| 2 | M8 | 3 | 24×15° | 14 | 72 | 315 | 2400 | 2 | 6 | ZKLDF120 |
| 2 | M8 | 3 | 36×10° | 14 | 76 | 365 | 2000 | 3 | 7.5 | ZKLDF150 |
| 2 | M8 | 3 | 48×7.5° | 14 | 85 | 440 | 1700 | 3 | 8 | ZKLDF180 |
| 2 | M8 | 3 | 48×7.5° | 14 | 112 | 550 | 1600 | 4.5 | 11 | ZKLDF200 |
| 2 | M12 | 3 | 36×10° | 34 | 155 | 920 | 1200 | 7.5 | 22 | ZKLDF260 |
| 2 | M12 | 3 | 36×10° | 34 | 165 | 1110 | 1000 | 11 | 28 | ZKLDF325 |
| 2 | M12 | 3 | 48×7.5° | 34 | 214 | 1470 | 800 | 16 | 39 | ZKLDF395 |
| 2 | M12 | 3 | 48×7.5° | 34 | 255 | 1860 | 700 | 21 | 50 | ZKLDF460 |
| 3 | M12 | 6 | 48×7.5° | 68 | 282 | 2150 | 500 | 40 | 82 | ZKLDF580 |
| 3 | M12 | 6 | 48×7.5° | 116 | 388 | 2350 | 440 | 63 | 168 | ZKLDF650 |

| Bearing type | Overal Dimension | The fixing holes | |||||||||||||
| d | D | H | H1 | D1 | D2 | D3 | J | J1 | a | Inner ring | Outer ring | ||||
| Unit: mm | d1 | d2 | d3 | ||||||||||||
| mm | mm | ||||||||||||||
| ZKLDF100 | 100 | 185 | 38 | 25 | 160 | 136 | 158 | 112 | 170 | 5.4 | 5.6 | 10 | 16 | 5.6 | 15 |
| ZKLDF120 | 120 | 210 | 40 | 26 | 184 | 159 | 181 | 135 | 195 | 6.2 | 7 | 11 | 22 | 7 | 21 |
| ZKLDF150 | 150 | 240 | 40 | 26 | 214 | 188 | 211 | 165 | 225 | 6.2 | 7 | 11 | 34 | 7 | 33 |
| ZKLDF180 | 180 | 280 | 43 | 29 | 244 | 221 | 241 | 194 | 260 | 6.2 | 7 | 11 | 46 | 7 | 45 |
| ZKLDF200 | 200 | 300 | 45 | 30 | 274 | 243 | 271 | 215 | 285 | 6.2 | 7 | 11 | 46 | 7 | 45 |
| ZKLDF260 | 260 | 385 | 55 | 36.5 | 345 | 313 | 348 | 280 | 365 | 8.2 | 9.3 | 15 | 34 | 9.3 | 33 |
| ZKLDF325 | 325 | 450 | 60 | 40 | 415 | 380 | 413 | 342 | 430 | 8.2 | 9.3 | 15 | 34 | 9.3 | 33 |
| ZKLDF395 | 395 | 525 | 65 | 42.5 | 486 | 450 | 488 | 415 | 505 | 8.2 | 9.3 | 15 | 46 | 9.3 | 45 |
| ZKLDF460 | 460 | 600 | 70 | 46 | 560 | 520 | 563 | 482 | 580 | 8.2 | 9.3 | 15 | 46 | 9.3 | 45 |
| ZKLDF580 | 580 | 750 | 90 | 60 | 702 | 656 | 700 | 610 | 720 | 11 | 11.4 | 18 | 45 | 11.4 | 42 |
| ZKLDF650 | 650 | 870 | 122 | 78 | 800 | 739 | 802 | 680 | 830 | 13 | 14 | 20 | 45 | 14 | 42 |
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