d | 12 | mm | |
D | 21 | mm | |
B | 5 | mm | |
d1 | 15.1 | mm | |
d2 | 15.1 | mm | |
D1 | 18.1 | mm | |
r1,2 | min. | 0.3 | mm |
r3,4 | min. | 0.15 | mm |
a | 6.4 | mm |
da | min. | 14 | mm |
db | min. | 14 | mm |
Da | max. | 19 | mm |
Db | max. | 20.2 | mm |
ra | max. | 0.3 | mm |
rb | max. | 0.15 | mm |
dn | 15.4 | mm |
Basic dynamic load rating | C | 1.95 | kN | |
Basic static load rating | C0 | 1.12 | kN | |
Fatigue load limit | Pu | 0.048 | kN | |
Attainable speed for grease lubrication | 75000 | r/min | ||
Attainable speed for oil-air lubrication | 110000 | r/min | ||
Ball diameter | Dw | 2.381 | mm | |
Number of balls | z | 14 | ||
Reference grease quantity | Gref | 0.07 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 17 | N | |
Static axial stiffness, preload class A | 38 | N/µm | ||
Preload class B | GB | 53 | N | |
Static axial stiffness, preload class B | 59 | N/µm | ||
Preload class C | GC | 105 | N | |
Static axial stiffness, preload class C | 80 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.06 | ||
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 | 0.006 | kg |
Model No. | Inner Diameter | Outer Diameter | Width | Type |
55x70x8 CRW1 R | 55 | 70 | 8 | Seals |
---|---|---|---|---|
58x80x8 HMS5 RG | 58 | 80 | 8 | Seals |
71911 CD/P4AL | 55 | 80 | 13 | Bearings, units and housings |
7272 BM | 360 | 650 | 95 | Bearings, units and housings |
90 VA V | 81 | - | - | Seals |
BT4B 332963/HA1 | 340 | 520 | - | Bearings, units and housings |
FYTBK 506 | - | - | - | Bearings, units and housings |
KMTA 20 | 32 | - | 100 | Bearings, units and housings |
OH 31/600 HE | 530 | 600 | 377 | Bearings, units and housings |
SAF 23048 KATLC x 8.1/2 | 214.3125 | - | - | Bearings, units and housings |
SNL 3148 | 176.2125 | - | - | Bearings, units and housings |
TUWK 1. LTHR | 25.4 | - | - | Bearings, units and housings |
Hot number:
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81230 M
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HK 2520
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