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SKF 71808 Bearing

Bearing 71808 ACD/HCP4 SKF , SKF bearing

Dimensional Specifications

  • Bore type SKF Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 71808
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
42 mm
Size mating parts (Da max.)
50 mm
Size mating parts (ra max.)
0.3 mm
Size mating parts (rb max.)
0.15 mm
Size mating parts (db min.)
42 mm
Size (r1.2 min.)
0.3 mm
Size (r3.4 min.)
0.15 mm
Size mating parts (Db max.)
51.2 mm

Overall dimension

External diameter
40 mm
Internal diameter
52 mm
B Width
7 mm
Weight
0.029 Kg

Load and resources

C0 Static load capacity
4.6 кН
Cr Radial dynamic load
4.5 кН
Maximum speed with grease lubrication
28000 об/мин
WoilЧастота вращения предельная при жидкой смазке
43000 /миноб/мин

Other

DwДиаметр шарика
3.175 mm
ZКоличество шариков
29
PuПредел усталостной прочности
0.196 кН
Расстояние до действительного центра опоры (a)
14.3 mm
Estimated coefficient (e)
0.68
Size
52x40x7
Size (D1)
48.1 mm
Size (d1)
44.1 mm
d2
44.1 mm
dn
44.5 mm
GrefКонтрольное количество смазки
0.31 cm³
Преднатяг класса A GA
40 Н
Преднатяг класса B GB
120 Н
Преднатяг класса C GC
240 Н
Estimated coefficient f
1.23
Estimated coefficient f1
0.97
Estimated coefficient f2A
1
Estimated coefficient f2B
1.09
Estimated coefficient f2C
1.17
Estimated coefficient fHC
1.02
Преднатяг класса A
93 Н/мкм
Преднатяг класса B
145 Н/мкм
Преднатяг класса C
197 Н/мкм
Estimated coefficient (одиночный. тандем) Y2
0.87
Estimated coefficient (одиночный. тандем) Y0
0.38
Estimated coefficient (одиночный. тандем) X2
0.41
Estimated coefficient (спина к спине. лицом к лицу) Y1
0.92
Estimated coefficient (спина к спине. лицом к лицу) Y2
1.41
Estimated coefficient (спина к спине. лицом к лицу) Y0
0.76
Estimated coefficient (спина к спине. лицом к лицу) X2
0.67

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 71807
    2. SKF
    3. 47
    4. 35
    5. 7
    6. 0.026
    1. 71808
    2. SKF
    3. 52
    4. 40
    5. 7
    6. 0.031
    1. 71801
    2. SKF
    3. 21
    4. 12
    5. 5
    6. 0.006
    1. 71928
    2. SKF
    3. 190
    4. 140
    5. 24
    6. 1.386
    1. 71918
    2. SKF
    3. 125
    4. 90
    5. 18
    6. 0.472
    1. 71800
    2. SKF
    3. 10
    4. 19
    5. 5
    6. 0.005
    1. 71948
    2. SKF
    3. 320
    4. 240
    5. 38
    6. 5.983
    1. 71806
    2. SKF
    3. 42
    4. 30
    5. 7
    6. 0.024
    1. 71805
    2. SKF
    3. 37
    4. 25
    5. 7
    6. 0.019
    1. 71828
    2. SKF
    3. 175
    4. 140
    5. 18
    6. 0.705
    1. 71804
    2. SKF
    3. 32
    4. 20
    5. 7
    6. 0.017
    1. 71818
    2. SKF
    3. 90
    4. 115
    5. 13
    6. 0.25
    1. 71803
    2. SKF
    3. 17
    4. 26
    5. 5
    6. 0.009
    1. 71809
    2. SKF
    3. 58
    4. 45
    5. 7
    6. 0.037
    1. 71802
    2. SKF
    3. 24
    4. 15
    5. 5
    6. 0.006
    1. 71816
    2. SKF
    3. 100
    4. 80
    5. 10
    6. 0.136
    1. 71921
    2. SKF
    3. 145
    4. 105
    5. 20
    6. 0.699
    1. 71917
    2. SKF
    3. 120
    4. 85
    5. 18
    6. 0.451
    1. 71822
    2. SKF
    3. 110
    4. 140
    5. 16
    6. 0.45
    1. 71813
    2. SKF
    3. 85
    4. 65
    5. 10
    6. 0.114
    1. 71918
    2. SKF
    3. 125
    4. 90
    5. 18
    6. 0.558
    1. 71916
    2. SKF
    3. 110
    4. 80
    5. 16
    6. 0.318
    1. 71920
    2. SKF
    3. 140
    4. 100
    5. 20
    6. 0.671
    1. 71800
    2. SKF
    3. 19
    4. 10
    5. 5
    6. 0.005
    1. 71820
    2. SKF
    3. 125
    4. 100
    5. 13
    6. 0.279
    1. 71826
    2. SKF
    3. 165
    4. 130
    5. 18
    6. 0.696
    1. 71801
    2. SKF
    3. 12
    4. 21
    5. 5
    6. 0.006
    1. 71819
    2. SKF
    3. 120
    4. 95
    5. 13
    6. 0.263
    1. 71919
    2. SKF
    3. 130
    4. 95
    5. 18
    6. 0.495
    1. 71824
    2. SKF
    3. 120
    4. 150
    5. 16
    6. 0.49

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