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SKF S71921 Bearing

Bearing S71921 ACD/P4A SKF , SKF bearing

Dimensional Specifications

  • Bore type SKF Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model S71921
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
111 mm
Size mating parts (Da max.)
139 mm
Size mating parts (db max.)
116.7 mm
Size mating parts (ra max.)
1 mm
Size mating parts (rb max.)
0.6 mm
Size mating parts (db min.)
111 mm
Size mating parts (da max.)
116.7 mm
Size (r1.2 min.)
1.1 mm
Size (r3.4 min.)
0.6 mm
Size mating parts (Db max.)
141 mm

Overall dimension

External diameter
105 mm
Internal diameter
145 mm
B Width
20 mm
Weight
0.847 Kg

Load and resources

C0 Static load capacity
65.5 кН
Cr Radial dynamic load
57.2 кН
Maximum speed with grease lubrication
7500 об/мин

Other

DwДиаметр шарика
12.7 mm
ZКоличество шариков
27
PuПредел усталостной прочности
2.5 кН
Расстояние до действительного центра опоры (a)
39.3 mm
Estimated coefficient (e)
0.68
Size
145x105x20
Size (d1)
117.3 mm
d2
117.3 mm
D2
135.65 mm
Преднатяг класса A GA
360 Н
Преднатяг класса B GB
720 Н
Преднатяг класса C GC
1440 Н
Preload class D GD
2880 Н
Estimated coefficient f
1.25
Estimated coefficient f1
0.98
Estimated coefficient f2A
1
Estimated coefficient f2B
1.04
Estimated coefficient f2C
1.08
Estimated coefficient f2D
1.14
Estimated coefficient fHC
1
Преднатяг класса A
263 Н/мкм
Преднатяг класса B
346 Н/мкм
Преднатяг класса C
463 Н/мкм
Preload class D
633 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. S71921
    2. SKF
    3. 145
    4. 105
    5. 20
    6. 0.847
    1. S71921
    2. SKF
    3. 145
    4. 105
    5. 20
    6. 0.711
    1. S71928
    2. SKF
    3. 190
    4. 140
    5. 24
    6. 1.686
    1. S71902
    2. SKF
    3. 28
    4. 15
    5. 7
    6. 0.016
    1. S71916
    2. SKF
    3. 110
    4. 80
    5. 16
    6. 0.378
    1. S71914
    2. SKF
    3. 100
    4. 70
    5. 16
    6. 0.337
    1. S71913
    2. SKF
    3. 90
    4. 65
    5. 13
    6. 0.209
    1. S71904
    2. SKF
    3. 37
    4. 20
    5. 9
    6. 0.037
    1. S71900
    2. SKF
    3. 22
    4. 10
    5. 6
    6. 0.01
    1. S71922
    2. SKF
    3. 110
    4. 150
    5. 20
    6. 0.86
    1. S71918
    2. SKF
    3. 125
    4. 90
    5. 18
    6. 0.566
    1. S71926
    2. SKF
    3. 180
    4. 130
    5. 24
    6. 1.579
    1. S71919
    2. SKF
    3. 130
    4. 95
    5. 18
    6. 0.64
    1. S71901
    2. SKF
    3. 24
    4. 12
    5. 6
    6. 0.011
    1. S71924
    2. SKF
    3. 165
    4. 120
    5. 22
    6. 1.21
    1. S71915
    2. SKF
    3. 75
    4. 105
    5. 16
    6. 0.35
    1. S71917
    2. SKF
    3. 120
    4. 85
    5. 18
    6. 0.54
    1. S71919
    2. SKF
    3. 130
    4. 95
    5. 18
    6. 0.501
    1. S71930
    2. SKF
    3. 210
    4. 150
    5. 28
    6. 2.5
    1. S71905
    2. SKF
    3. 42
    4. 25
    5. 9
    6. 0.043
    1. S71910
    2. SKF
    3. 50
    4. 72
    5. 12
    6. 0.13
    1. S71920
    2. SKF
    3. 140
    4. 100
    5. 20
    6. 0.813
    1. S71908
    2. SKF
    3. 62
    4. 40
    5. 12
    6. 0.113
    1. S71919
    2. SKF
    3. 130
    4. 95
    5. 18
    6. 0.569
    1. S71907
    2. SKF
    3. 55
    4. 35
    5. 10
    6. 0.077
    1. S71903
    2. SKF
    3. 30
    4. 17
    5. 7
    6. 0.017
    1. S71911
    2. SKF
    3. 80
    4. 55
    5. 13
    6. 0.183
    1. S71909
    2. SKF
    3. 68
    4. 45
    5. 12
    6. 0.134
    1. S71906
    2. SKF
    3. 47
    4. 30
    5. 9
    6. 0.049
    1. S71912
    2. SKF
    3. 85
    4. 60
    5. 13
    6. 0.195