| NSK BL214ZNR bearing Size Chart (mm/inches) | 
|---|
| Bearing number | 71914 ACD/P4AH1 | 
| Size (mm) | 100x70x16 | 
| Bore Diameter (mm) | 100 | 
| Outer Diameter (mm) | 70 | 
| Width (mm) | 16 | 
| d | 70 mm | 
| D | 100 mm | 
| B | 16 mm | 
| d1 | 79.2 mm | 
| d2 | 79.2 mm | 
| D1 | 90.8 mm | 
| K | 0.5 mm | 
| C1 | 4.46 mm | 
| r1,2 - min. | 1 mm | 
| r3,4 - min. | 0.3 mm | 
| a | 27.9 mm | 
| da - min. | 74.6 mm | 
| db - min. | 74.6 mm | 
| Da - max. | 95.4 mm | 
| Db - max. | 98 mm | 
| ra - max. | 1 mm | 
| rb - max. | 0.3 mm | 
| dn | 81.7 mm | 
| Basic dynamic load rating - C | 32.5 kN | 
| Basic static load rating - C0 | 32.5 kN | 
| Fatigue load limit - Pu | 1.4 kN | 
| Limiting speed for grease lubrication | 11000 r/min | 
| Limiting speed for oil lubrication | 18000 mm/min | 
| Ball - Dw | 9.525 mm | 
| Ball - z | 24 | 
| Gref | 4.5 cm3 | 
| Calculation factor - e | 0.68 | 
| Calculation factor - Y2 | 0.87 | 
| Calculation factor - Y0 | 0.38 | 
| Calculation factor - X2 | 0.41 | 
| Calculation factor - Y1 | 0.92 | 
| Calculation factor - Y2 | 1.41 | 
| Calculation factor - Y0 | 0.76 | 
| Calculation factor - X2 | 0.67 | 
| Preload class A - GA | 200 N | 
| Preload class B - GB | 400 N | 
| Preload class C - GC | 800 N | 
| Preload class D - GD | 1600 N | 
| Calculation factor - f | 1.19 | 
| Calculation factor - f1 | 0.98 | 
| Calculation factor - f2A | 1 | 
| Calculation factor - f2B | 1.04 | 
| Calculation factor - f2C | 1.08 | 
| Calculation factor - f2D | 1.14 | 
| Calculation factor - fHC | 1 | 
| Preload class A | 180 N/micron | 
| Preload class B | 235 N/micron | 
| Preload class C | 314 N/micron | 
| Preload class D | 428 N/micron | 
| d1 | 79.2 mm | 
| d2 | 79.2 mm | 
| D1 | 90.8 mm | 
| C1 | 4.46 mm | 
| r1,2 min. | 1 mm | 
| r3,4 min. | 0.3 mm | 
| da min. | 74.6 mm | 
| db min. | 74.6 mm | 
| Da max. | 95.4 mm | 
| Db max. | 98 mm | 
| ra max. | 1 mm | 
| rb max. | 0.3 mm | 
| dn | 81.7 mm | 
| Basic dynamic load rating C | 32.5 kN | 
| Basic static load rating C0 | 32.5 kN | 
| Fatigue load limit Pu | 1.37 kN | 
| Attainable speed for grease lubrication | 11000 r/min | 
| Attainable speed for oil-air lubrication | 18000 r/min | 
| Ball diameter Dw | 9.525 mm | 
| Number of balls z | 24 | 
| Reference grease quantity Gref | 4.5 cm³ | 
| Preload class A GA | 200 N | 
| Static axial stiffness, preload class A | 180 N/µm | 
| Preload class B GB | 400 N | 
| Static axial stiffness, preload class B | 235 N/µm | 
| Preload class C GC | 800 N | 
| Static axial stiffness, preload class C | 314 N/µm | 
| Preload class D GD | 1600 N | 
| Static axial stiffness, preload class D | 428 N/µm | 
| Calculation factor f | 1.19 | 
| Calculation factor f1 | 0.98 | 
| Calculation factor f2A | 1 | 
| Calculation factor f2B | 1.04 | 
| Calculation factor f2C | 1.08 | 
| Calculation factor f2D | 1.14 | 
| Calculation factor fHC | 1 | 
| Calculation factor e | 0.68 | 
| Calculation factor (single, tandem) Y2 | 0.87 | 
| Calculation factor (single, tandem) Y0 | 0.38 | 
| Calculation factor (single, tandem) X2 | 0.41 | 
| Calculation factor (back-to-back, face-to-face) Y1 | 0.92 | 
| Calculation factor (back-to-back, face-to-face) Y2 | 1.41 | 
| Calculation factor (back-to-back, face-to-face) Y0 | 0.76 | 
| Calculation factor (back-to-back, face-to-face) X2 | 0.67 | 
| Mass bearing | 0.33 kg |