
| d | 50 | mm | |
| D | 80 | mm | |
| B | 16 | mm | |
| d1 | 60.25 | mm | |
| d2 | 57.9 | mm | |
| D1 | 69.75 | mm | |
| r1,2 | min. | 1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 23.3 | mm |


| da | min. | 54.6 | mm |
| db | min. | 54.6 | mm |
| Da | max. | 75.4 | mm |
| Db | max. | 75.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
| dn | 62.3 | mm |
| Basic dynamic load rating | C | 14.8 | kN | |
| Basic static load rating | C0 | 10 | kN | |
| Fatigue load limit | Pu | 0.425 | kN | |
| Attainable speed for grease lubrication | 23000 | r/min | ||
| Attainable speed for oil-air lubrication | 34000 | r/min | ||
| Ball diameter | Dw | 7.938 | mm | |
| Number of balls | z | 21 | ||
| Reference grease quantity | Gref | 4.1 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 130 | N | |
| Static axial stiffness, preload class A | 104 | N/µm | ||
| Preload class B | GB | 400 | N | |
| Static axial stiffness, preload class B | 156 | N/µm | ||
| Preload class C | GC | 800 | N | |
| Static axial stiffness, preload class C | 204 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.08 | ||
| Calculation factor | f1 | 0.99 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.03 | ||
| Calculation factor | f2C | 1.06 | ||
| 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 | 0.25 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 21302 | 53.975 | 82.58 | 11.13 | Seals |
|---|---|---|---|---|
| 331978 BG | 540 | 690 | - | Bearings, units and housings |
| 400125 | 10.5 | - | - | Seals |
| 6209-2Z/VA228 | 45 | 85 | 19 | Bearings, units and housings |
| 71911 CB/P4A | 55 | 80 | 13 | Bearings, units and housings |
| 86564 | - | - | 31.75 | Seals |
| GRA 3034 | 170 | 230 | 67 | Bearings, units and housings |
| IR 30x35x13 EGS | 30 | 35 | 13 | Seals |
| OH 39/560 HE | 530 | 650 | 227 | Bearings, units and housings |
| SNL 3180 ATURA | 380 | - | - | Bearings, units and housings |
| SSAFS 23040 KA x 7.1/4 | 184.15 | - | - | Bearings, units and housings |
| W 619/6-2Z | 6 | 15 | 5 | Bearings, units and housings |
Hot number:
1000 VA R
12363
1375240
15x28x7 CRW1 R
32006 X
32218
52.7x70.5x14.2 TP
6211-RS1
7 VS V
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KRV 22 B
QJ 1092 N2MA
RNAO 6x13x8 TN
SAF 1617 x 3 T
SNL 3164
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