Description
ZKLDF
Contact surface / centring diameter
Hole pattern
Two retaining screws
For ZKLDF325
Metric
Imperial
Main Dimensions & Performance Data
| d | 325 mm | Bore diameter |
| 0 mm | Bore diameter upper tolerance | |
| -0.023 mm | Bore diameter lower tolerance | |
| D | 450 mm | Flange diameter |
| 0 mm | Flange diameter upper tolerance | |
| -0.023 mm | Flange diameter lower tolerance | |
| H | 60 mm | Height |
| nG | 2,000 1/min | Limiting speed |
| Ca | 172,000 N | Basic dynamic load rating, axial |
| C0a | 1,110,000 N | Basic static load rating, axial |
| Cua | 26,000 N | Fatigue load limit, axial |
| ≈m | 24.8 kg | Weight |
Mounting dimensions
| J | 342 mm | Pitch circle diameter fixing holes in inner ring |
| J1 | 430 mm | Pitch circle diameter fixing holes in outer ring |
| d1 | 9.3 mm | Fixing holes diameter inner ring |
| d2 | 15 mm | Counterbore diameter of fixing holes |
| a | 8.2 mm | Counterbore depth of fixing holes |
| 34 | Quantity of fixing holes inner ring | |
| d3 | 9.3 mm | Fixing holes diameter outer ring |
| 33 | Quantity of fixing holes outer ring | |
| n | 36 | Pitch quantity |
| t | 10 ° | Pitch separation angle |
| G | M12 | Threaded extraction hole |
| 3 | Quantity of threaded extraction hole | |
| MA | 34 Nm | Screw tightening torque |
| 2 | Quantity of retaining screws |
Dimensions
| H1 | 40 mm | Height contact face outer ring |
| 0.2 mm | Height contact face outerring H1 upper tolerance | |
| -0.2 mm | Height contact face outerring H1 lower tolerance | |
| D1 | 415 mm | Outside diameter D1 |
| D2 | 380 mm | Rib diameter inner ring |
| D3 | 413 mm | Outside diameter D3 |
| t1 | 6 µm | Axial and radial runout, measurement standard; Measured on mounted bearing, with ideal adjacent construction. |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Additional information
| caL | 4,000 N/µm | Axial rigidity of bearing position |
| crL | 800 N/µm | Radial rigidity of bearing position |
| ckL | 60,000 Nm/mrad | Tilting rigidity of bearing position |
| caL | 5,400 N/µm | Axial rigidity of rolling element set |
| crL | 800 N/µm | Radial rigidity of rolling element set |
| ckL | 90,000 Nm/mrad | Tilting rigidity of rolling element set |
