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SKF 7228 Bearing

Bearing 7228 CD/HCP4A SKF , SKF bearing

Dimensional Specifications

  • Bore type SKF Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7228
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
154 mm
Size mating parts (Da max.)
236 mm
Size mating parts (ra max.)
2.5 mm
Size mating parts (rb max.)
1.5 mm
Size mating parts (db min.)
154 mm
Size (r1.2 min.)
3 mm
Size (r3.4 min.)
1.5 mm
Size mating parts (Db max.)
241 mm

Overall dimension

External diameter
140 mm
Internal diameter
250 mm
B Width
42 mm
Weight
6.923 Kgкг

Load and resources

C0 Static load capacity
240 кН
Cr Radial dynamic load
221 кН
Maximum speed with grease lubrication
7000 об/мин
WoilЧастота вращения предельная при жидкой смазке
10000 /миноб/мин

Other

DwДиаметр шарика
30.162 mm
ZКоличество шариков
18
PuПредел усталостной прочности
7.4 кН
Расстояние до действительного центра опоры (a)
47.3 mm
Size
250x140x42
Size (D1)
213.2 mm
Size (d1)
176.8 mm
d2
176.8 mm
dn
184.8 mm
GrefКонтрольное количество смазки
83.931 cm³
Estimated coefficient (f0)
15.2
Преднатяг класса A GA
850 Н
Преднатяг класса B GB
1700 Н
Преднатяг класса C GC
3400 Н
Preload class D GD
6800 Н
Estimated coefficient f
1.09
Estimated coefficient f1
1
Estimated coefficient f2A
1
Estimated coefficient f2B
1.01
Estimated coefficient f2C
1.03
Estimated coefficient f2D
1.06
Estimated coefficient fHC
1.01
Преднатяг класса A
181 Н/мкм
Преднатяг класса B
245 Н/мкм
Преднатяг класса C
339 Н/мкм
Preload class D
485 Н/мкм

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7224
    2. SKF
    3. 215
    4. 120
    5. 40
    6. 4.41
    1. SS7207
    2. SKF
    3. 35
    4. 72
    5. 17
    6. 0.25
    1. SS7204
    2. SKF
    3. 20
    4. 47
    5. 14
    6. 0.092
    1. SS7215
    2. SKF
    3. 75
    4. 130
    5. 25
    6. 1.05
    1. 7200
    2. SKF
    3. 10
    4. 30
    5. 9
    6. 0.029
    1. 7209
    2. SKF
    3. 85
    4. 45
    5. 19
    6. 0.339
    1. 7201
    2. SKF
    3. 32
    4. 12
    5. 10
    6. 0.033
    1. 7206
    2. SKF
    3. 62
    4. 30
    5. 16
    6. 0.169
    1. 7211
    2. SKF
    3. 100
    4. 55
    5. 21
    6. 0.505
    1. 7028
    2. SKF
    3. 210
    4. 140
    5. 33
    6. 2.827
    1. 7220
    2. SKF
    3. 100
    4. 180
    5. 34
    6. 2.65
    1. SS7208
    2. SKF
    3. 40
    4. 80
    5. 18
    6. 0.33
    1. SS7201
    2. SKF
    3. 12
    4. 32
    5. 10
    6. 0.034
    1. SS7212
    2. SKF
    3. 60
    4. 110
    5. 22
    6. 0.71
    1. 7226
    2. SKF
    3. 230
    4. 130
    5. 40
    6. 5.182
    1. S71928
    2. SKF
    3. 140
    4. 190
    5. 24
    6. 1.4
    1. 7205
    2. SKF
    3. 52
    4. 25
    5. 15
    6. 0.112
    1. 7207
    2. SKF
    3. 72
    4. 35
    5. 17
    6. 0.241
    1. 7228
    2. SKF
    3. 250
    4. 140
    5. 42
    6. 8.138
    1. 7215
    2. SKF
    3. 130
    4. 75
    5. 25
    6. 1.044
    1. SS7211
    2. SKF
    3. 55
    4. 100
    5. 21
    6. 0.52
    1. 7222
    2. SKF
    3. 200
    4. 110
    5. 38
    6. 3.857
    1. SS7202
    2. SKF
    3. 15
    4. 35
    5. 11
    6. 0.038
    1. 7217
    2. SKF
    3. 150
    4. 85
    5. 28
    6. 1.567
    1. 7210
    2. SKF
    3. 50
    4. 90
    5. 20
    6. 0.39
    1. SS7205
    2. SKF
    3. 25
    4. 52
    5. 15
    6. 0.11
    1. 7216
    2. SKF
    3. 140
    4. 80
    5. 26
    6. 1.237
    1. SS7206
    2. SKF
    3. 30
    4. 62
    5. 16
    6. 0.17
    1. SS7209
    2. SKF
    3. 45
    4. 85
    5. 19
    6. 0.35
    1. 7218
    2. SKF
    3. 160
    4. 90
    5. 30
    6. 1.834

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