Main Dimensions & Performance Data
| d |
20Â mm
|
Bore diameter |
| D |
47Â mm
|
Outside diameter |
| B |
14Â mm
|
Width, inner ring |
| C |
12Â mm
|
Width, outer ring |
| T |
15.25Â mm
|
Width, total |
| Cr |
27,000Â N
|
Basic dynamic load rating, radial |
| C0r |
27,000Â N
|
Basic static load rating, radial |
| Cur |
2,950Â N
|
Fatigue load limit, radial |
| nG |
16,800Â 1/min
|
Limiting speed |
| nϑr |
10,200Â 1/min
|
Thermal speed rating |
| ≈m |
0.13Â kg
|
Weight |
Mounting dimensions
| da max |
27Â mm
|
Maximum diameter of shaft shoulder |
| db min |
26Â mm
|
Minimum diameter of shaft shoulder |
| Da min |
40Â mm
|
Minimum diameter of housing shoulder |
| Da max |
41Â mm
|
Maximum diameter of housing shoulder |
| Db min |
43Â mm
|
Minimum diameter of housing shoulder |
| Ca min |
2Â mm
|
Minimum axial space |
| Cb min |
3Â mm
|
Minimum axial space |
| ra max |
1Â mm
|
Maximum fillet radius of shaft |
| rb max |
1Â mm
|
Maximum fillet radius of housing |
Dimensions
| r1, 2 min |
1Â mm
|
Minimum chamfer dimension of inner ring back face |
| r3, 4 min |
1Â mm
|
Minimum chamfer dimension of outer ring back face |
| a |
12Â mm
|
Distance between the apexes of the pressure cones |
| d1 |
34.5Â mm
|
Guidance rib diameter of inner ring |
Temperature range
| Tmin |
-30 °C
|
Operating temperature min. |
| Tmax |
120 °C
|
Operating temperature max. |
Calculation factors
| e |
0.35
|
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y |
1.74
|
Dynamic axial load factor |
| Y0 |
0.96
|
Static axial load factor |
Additional information
|
T2DB020
|
Comparative designation to ISO 10317 and ISO 355 |
