Table 4.
|
Type of bearing |
Design variety |
Bearing designation |
||||
|
Country |
Russia |
Sweden |
Germany |
|||
|
Manufacturer |
ЕВС |
SKF |
FAG |
|||
|
|
|
Angle of contact 10°… 18° |
2007900(А) 2007100(А) 7200(А) 7500A 7300А 7600А 3007100А 3007200А 3007700А |
32900 32000Х 30200 32200 30300 32300 33000 33200 33100 |
32900 32000Х(ХА) 30200(А) 32200(А) 30300A 32300(А) 33000 33200 33100 |
|
|
Angle of contact 20°… 30° |
27300 27600А 1027300А |
31300Х 32300В 31300 |
31300Х 32300В 31300A |
|||
|
With flange on outer ring |
67200 67500А |
30200RX 32200RA |
||||
|
|
|
9008100 8100 8200 8300 8400 |
59100 51100 51200 51300 51400 |
59100 51100 51200 51300 51400 |
||
|
With spherical housing washer |
18200 18300 18400 |
53200+U200 53300+U300 53400+U400 |
53200+U200 53300+U300 53400+U400 |
|||
|
Doubledirection |
38200 |
52200 |
52200 |
|||
|
|
9039200 9039300 9039400 |
29200 29300 29400 |
29200MS 29300MS 29400MS |
|||
|
|
Singledirection |
9009100 9009400 9200 |
89100 94008 81000 |
89100 94008 81000 |
||
Table 5.
|
Country |
Russia |
Sweden |
Germany |
|||
|
Firm |
ЕВС |
SKF |
FAG |
|||
|
Tolerance class designation |
0 6 5 4 2 |
РО Р6 Р5 Р4 P2 |
РО Р6 Р5 Р4 P2 |
|||
|
Types of bearings |
Radial clearance group designation |
|||||
|
Singlerow deepgroove ball bearings d<200 mm |
6 normal 7 8 9 |
C2 normal C3 C4 C5 |
C2 СО normal C3 C4 C5 |
|||
|
Cylindrical roller bearings with noninterchangeable rings |
With cylindrical (tapered) bore d<50 mm |
0 5 normal (6) 7 8 9 |
С1 С2 normal СЗ СЗ (С5) |
C1NA С2 СО normal СЗ СЗ (С5) |
||
|
Doublerow spherical roller bearings with cylindrical and tapered bores |
1 2 normal 3 4 5 |
– С2 normal СЗ C4 C5 |
– С2 СО normal СЗ C4 C5 |
|||
Designations of roller bearing design modifications
|
Modifies internal design |
А |
– |
А |
|||||
|
Dimensions according to ISO |
– |
Х |
Х |
|||||
|
Modified contact |
М |
– |
– |
|||||
|
Lubrication groove and three holes in outer ring |
Н |
W33 |
S |
|||||
|
Material of machines (moulded) cage |
D |
esignation of cage materi |
al |
|||||
|
Ferrous metals |
Г |
F |
F |
|||||
|
Aluminium alloy |
Д |
L |
L |
|||||
|
Brass |
Л |
М |
М |
|||||
|
Glass fibre reinforced polyamide |
Е |
TN |
TV (TN) |
|||||
|
Fabric reinforced phenolic resin |
Е |
Т |
ТР |
|||||
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