d | 25 | mm | |
D | 47 | mm | |
B | 12 | mm | |
d1 | 32.1 | mm | |
d2 | 32.1 | mm | |
D1 | 39.9 | mm | |
r1,2 | min. | 0.6 | mm |
r3,4 | min. | 0.3 | mm |
a | 14.5 | mm |
da | min. | 28.2 | mm |
db | min. | 28.2 | mm |
Da | max. | 43.8 | mm |
Db | max. | 45 | mm |
ra | max. | 0.6 | mm |
rb | max. | 0.3 | mm |
dn | 33.4 | mm |
Basic dynamic load rating | C | 9.23 | kN | |
Basic static load rating | C0 | 5 | kN | |
Fatigue load limit | Pu | 0.212 | kN | |
Attainable speed for grease lubrication | 40000 | r/min | ||
Attainable speed for oil-air lubrication | 60000 | r/min | ||
Ball diameter | Dw | 6.35 | mm | |
Number of balls | z | 14 | ||
Reference grease quantity | Gref | 1.02 | cm³ | |
Preload and stiffness (back-to-back, face-to-face) | ||||
Preload class A | GA | 60 | N | |
Static axial stiffness, preload class A | 71 | N/µm | ||
Preload class B | GB | 120 | N | |
Static axial stiffness, preload class B | 92 | N/µm | ||
Preload class C | GC | 240 | N | |
Static axial stiffness, preload class C | 119 | N/µm | ||
Preload class D | GD | 480 | N | |
Static axial stiffness, preload class D | 159 | N/µm | ||
Calculation factors | ||||
Calculation factor | f | 1.05 | ||
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 | 0.07 | kg |
Model No. | Inner Diameter | Outer Diameter | Width | Type |
BD-21309 EK-H 309 | 40 | 100 | 25 | Bearings, units and housings |
---|---|---|---|---|
25590/25520 | 45.618 | 82.931 | 23.812 | Bearings, units and housings |
32313 B | 65 | 140 | 51 | Bearings, units and housings |
3304 ATN9 | 20 | 52 | 22.2 | Bearings, units and housings |
51115 | 75 | 100 | 19 | Bearings, units and housings |
99147 | 38 | 45.2374 | 16.9926 | Seals |
FYWK 1.7/16 YTA | 36.512 | - | - | Bearings, units and housings |
N 218 ECP | 90 | 160 | 30 | Bearings, units and housings |
PCM 556020 M | 55 | 60 | 20 | Bearings, units and housings |
SD 35x45x4 | 35 | 45 | 4 | Seals |
SIA 60 ES-2RS | 60 | - | 44 | Bearings, units and housings |
SNW 7x1.1/8 | 28.575 | 52.5272 | 36.8046 | Bearings, units and housings |
Hot number:
1312 ETN9
210
3984/3920
4307 ATN9
51144 M
7012 ACE/HCP4A
7251
9068
BT4B 332590/HA1
FBSA 210/QBC
HK 4018 RS
OKF 470
PWM 505840
SAFS 22240
SIA 60 ESX-2LS
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