Tapered roller bearings 302, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs


| d |
40 mm
|
Bore diameter |
| D |
80 mm
|
Outside diameter |
| B |
18 mm
|
Width, inner ring |
| C |
16 mm
|
Width, outer ring |
| T |
19,75 mm
|
Width, total |
| Cr |
73.000 N
|
Basic dynamic load rating, radial |
| C0r |
67.000 N
|
Basic static load rating, radial |
| Cur |
10.300 N
|
Fatigue load limit, radial |
| nG |
11.600 1/min
|
Limiting speed |
| nϑr |
5.900 1/min
|
Thermal speed rating |
| ≈m |
435 g
|
Iwọn |
| da max |
49 mm
|
Maximum diameter of shaft shoulder |
| db min |
47 mm
|
Minimum diameter of shaft shoulder |
| Da min |
69 mm
|
Minimum diameter of housing shoulder |
| Da max |
73 mm
|
Maximum diameter of housing shoulder |
| Db min |
74 mm
|
Minimum diameter of housing shoulder |
| Ca min |
3 mm
|
Minimum axial space |
| Cb min |
3,5 mm
|
Minimum axial space |
| ra max |
1,5 mm
|
Maximum fillet radius of shaft |
| rb max |
1,5 mm
|
Maximum fillet radius of housing |
| r1, 2 min |
1,5 mm
|
Minimum chamfer dimension of inner ring back face |
| r3, 4 min |
1,5 mm
|
Minimum chamfer dimension of outer ring back face |
| a |
17 mm
|
Distance between the apexes of the pressure cones |
| d1 |
59 mm
|
Guidance rib diameter of inner ring |
| Tmin |
-30 °C
|
Operating temperature min. |
| Tmax |
120 °C
|
Operating temperature max. |
| e |
0,37
|
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y |
1,6
|
Dynamic axial load factor |
| Y0 |
0,88
|
Static axial load factor |
High quality bearing manufacturer from China, special bearings can be customized, welcome to inquire!