d | 20 | mm | |
D | 42 | mm | |
B | 12 | mm | |
d1 | 27.1 | mm | |
d2 | 27.1 | mm | |
D2 | 37 | mm | |
r1,2 | min. | 0.6 | mm |
r3,4 | min. | 0.3 | mm |
a | 13.3 | mm |
da | min. | 23.2 | mm |
da | max. | 26.6 | mm |
db | min. | 23.2 | mm |
db | max. | 26.6 | mm |
Da | max. | 38.8 | mm |
Db | max. | 40 | mm |
ra | max. | 0.6 | mm |
rb | max. | 0.3 | mm |
Basic dynamic load rating | C | 8.32 | kN | |
Basic static load rating | C0 | 4.15 | kN | |
Fatigue load limit | Pu | 0.173 | kN | |
Attainable speed for grease lubrication | 45000 | r/min | ||
Ball diameter | Dw | 6.35 | mm | |
Number of balls | z | 12 | ||
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 50 | N | |
Static axial stiffness, preload class A | 60 | N/µm | ||
Preload class B | GB | 100 | N | |
Static axial stiffness, preload class B | 77 | N/µm | ||
Preload class C | GC | 200 | N | |
Static axial stiffness, preload class C | 100 | N/µm | ||
Preload class D | GD | 400 | N | |
Static axial stiffness, preload class D | 133 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.03 | ||
Calculation factor | f1 | 0.99 | ||
Calculation factor | f2A | 1 | ||
Calculation factor | f2B | 1.02 | ||
Calculation factor | f2C | 1.05 | ||
Calculation factor | f2D | 1.08 | ||
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 | 0.06 | kg |
Model No. | Inner Diameter | Outer Diameter | Width | Type |
20x30x7 CRW1 R | 20 | 30 | 7 | Seals |
---|---|---|---|---|
401606 | 144 | - | - | Seals |
6238 M | 190 | 340 | 55 | Bearings, units and housings |
7407 BCBM | 35 | 100 | 25 | Bearings, units and housings |
BA 4 | 4 | 10 | 4 | Bearings, units and housings |
BT4B 334015 G/HA1VA901 | 679.45 | 901.7 | - | Bearings, units and housings |
C 39/1500 MB | 1500 | 1950 | 335 | Bearings, units and housings |
HK 1712 | 17 | 23 | 12 | Bearings, units and housings |
KM 25 | 21 | - | 125 | Bearings, units and housings |
LM 12749/711 | 22 | 45.974 | 15.494 | Bearings, units and housings |
SAF 22308 T | 40 | - | - | Bearings, units and housings |
SAF 1611 x 1.7/8 T | 47.625 | - | - | Bearings, units and housings |
Hot number:
25x45x10 HMS5 V
510x560x25 HDS2 D
BS2-2315-2RSK/VT143
G 20x28x4
HE 3024
HJ 2215 EC
N 309 ECP
NK 28/30
PWM 10512080
RSTO 30
S7011 ACD/P4A
SAF 22510
SHT 35
SIKB 18 F
SYE 3 7/16
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