
| d | 65 | mm | |
| D | 85 | mm | |
| B | 10 | mm | |
| d1 | 71.7 | mm | |
| d2 | 71.7 | mm | |
| D1 | 78.5 | mm | |
| r1,2 | min. | 0.6 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 22.5 | mm |


| da | min. | 68.2 | mm |
| db | min. | 68.2 | mm |
| Da | max. | 81.8 | mm |
| Db | max. | 83 | mm |
| ra | max. | 0.6 | mm |
| rb | max. | 0.3 | mm |
| dn | 72.4 | mm |
| Basic dynamic load rating | C | 12.7 | kN | |
| Basic static load rating | C0 | 14 | kN | |
| Fatigue load limit | Pu | 0.585 | kN | |
| Attainable speed for grease lubrication | 16000 | r/min | ||
| Attainable speed for oil-air lubrication | 24000 | r/min | ||
| Ball diameter | Dw | 5.556 | mm | |
| Number of balls | z | 29 | ||
| Reference grease quantity | Gref | 1.3 | cm³ | |
| Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload class A | GA | 115 | N | |
| Static axial stiffness, preload class A | 160 | N/µm | ||
| Preload class B | GB | 345 | N | |
| Static axial stiffness, preload class B | 252 | N/µm | ||
| Preload class C | GC | 690 | N | |
| Static axial stiffness, preload class C | 347 | N/µm | ||
| Calculation factors | ||||
| Calculation factor | f | 1.28 | ||
| Calculation factor | f1 | 0.97 | ||
| Calculation factor | f2A | 1 | ||
| Calculation factor | f2B | 1.09 | ||
| Calculation factor | f2C | 1.17 | ||
| Calculation factor | fHC | 1.02 | ||
| 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 | 0.11 | kg |
| Model No. | Inner Diameter | Outer Diameter | Width | Type |
| 20059 | 50.8 | 77.75 | 12.7 | Seals |
|---|---|---|---|---|
| 4 VA R | 3.2 | - | - | Seals |
| 5 VA V | 4 | - | - | Seals |
| 6304-ZNR | 20 | 52 | 15 | Bearings, units and housings |
| C 3072 M | 360 | 540 | 134 | Bearings, units and housings |
| K 3x5x9 TN | 3 | 5 | 9 | Bearings, units and housings |
| NJ 318 ECM | 90 | 190 | 43 | Bearings, units and housings |
| NNCL 4936 CV | 180 | 250 | 69 | Bearings, units and housings |
| SAF 23024 KATLC x 4 | 107.95 | - | - | Bearings, units and housings |
| SSAFS 22520 | 87.3125 | - | - | Bearings, units and housings |
| SY 40 TR | 40 | - | - | Bearings, units and housings |
| W 637-2RS1 | 7 | 26 | 9 | Bearings, units and housings |
Hot number:
314 NR
32022 X
33014
49927
6202-2ZNR
BTW 45 CTN9/SP
FYTB 40 LDW
FYTWK 25 YTH
HH 224335/310
NUH 2348 ECMH/PEX
PWKRE 80.2RS
S7013 ACB/P4A
SA 8 C
SAF 22536 x 6.1/2 TLC
W 61917-2RS1
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