Tapered roller bearings 303, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs


| d |
17 میلی متر
|
قطر سوراخ |
| D |
47 میلی متر
|
قطر خارج |
| B |
14 میلی متر
|
Width, inner ring |
| C |
12 میلی متر
|
Width, outer ring |
| T |
15,25 میلی متر
|
Width, total |
| Cr |
27.500 N
|
Basic dynamic load rating, radial |
| C0r |
24.800 N
|
Basic static load rating, radial |
| Cur |
2.650 N
|
Fatigue load limit, radial |
| nG |
17.600 1/min
|
Limiting speed |
| nϑr |
10.900 1/min
|
Thermal speed rating |
| ≈m |
125 g
|
وزن |
| da max |
25 میلی متر
|
Maximum diameter of shaft shoulder |
| db min |
23 میلی متر
|
Minimum diameter of shaft shoulder |
| Da min |
40 میلی متر
|
Minimum diameter of housing shoulder |
| Da max |
41 میلی متر
|
Maximum diameter of housing shoulder |
| Db min |
42 میلی متر
|
Minimum diameter of housing shoulder |
| Ca min |
2 میلی متر
|
Minimum axial space |
| Cb min |
3 میلی متر
|
Minimum axial space |
| ra max |
1 میلی متر
|
Maximum fillet radius of shaft |
| rb max |
1 میلی متر
|
Maximum fillet radius of housing |
| r1, 2 min |
1 میلی متر
|
Minimum chamfer dimension of inner ring back face |
| r3, 4 min |
1 میلی متر
|
Minimum chamfer dimension of outer ring back face |
| a |
11 میلی متر
|
Distance between the apexes of the pressure cones |
| d1 |
31,8 میلی متر
|
Guidance rib diameter of inner ring |
| Tmin |
-30 °C
|
Operating temperature min. |
| Tmax |
120 °C
|
Operating temperature max. |
| e |
0,29
|
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y |
2,11
|
Dynamic axial load factor |
| Y0 |
1,16
|
Static axial load factor |
High quality bearing manufacturer from China, special bearings can be customized, welcome to inquire!