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NTN 7228BDB Bearing

Bearing 7228BDB NTN , NTN bearing

Dimensional Specifications

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

Connecting Size

Size mating parts (da min.)
154
Size mating parts (ra max.)
2.5
Size mating parts (ra1 max.)
1
Size mating parts (Db max.)
243

Overall dimension

External diameter
250 mm
Internal diameter
140 mm
B Width
42 mm
Weight
17.56 Kg
Outer ring width
42 mm

Size Geometric characteristics

rРадиус наружней фаски
3 mm
r1 outer ring (flange) installation chamfer
1.1 mm
αУгол контакта
40°

Load and resources

Dynamic load capacity
297 кН
C0 Static load capacity
390 кН
Cr Radial dynamic load
297 кН
Maximum speed with grease lubrication
1 900 об/мин
WoilЧастота вращения предельная при жидкой смазке
2 500 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
2
Расстояние до действительного центра опоры (a)
103 mm
Size
140x250x42
Size (2B)
84 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7206BDB
    2. NTN
    3. 30
    4. 62
    5. 16
    6. 0.394
    1. 7228BDF
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 17.56
    1. 7212BDB
    2. NTN
    3. 60
    4. 110
    5. 22
    6. 1.56
    1. 7226BDB
    2. NTN
    3. 130
    4. 230
    5. 40
    6. 14.3
    1. 7222BDB
    2. NTN
    3. 110
    4. 200
    5. 38
    6. 9.08
    1. 7224BDB
    2. NTN
    3. 120
    4. 215
    5. 40
    6. 12.52
    1. 7234BDB
    2. NTN
    3. 170
    4. 310
    5. 52
    6. 34
    1. 7219BDB
    2. NTN
    3. 95
    4. 170
    5. 32
    6. 5.44
    1. 7220BDB
    2. NTN
    3. 100
    4. 180
    5. 34
    6. 6.52
    1. 7201BDB
    2. NTN
    3. 12
    4. 32
    5. 10
    6. 0.072
    1. 7228B
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 8.78
    1. 7238BDB
    2. NTN
    3. 190
    4. 340
    5. 55
    6. 42.6
    1. 7210BDB
    2. NTN
    3. 50
    4. 90
    5. 20
    6. 0.932
    1. 7208BDB
    2. NTN
    3. 40
    4. 80
    5. 18
    6. 0.75
    1. 7236BDB
    2. NTN
    3. 180
    4. 320
    5. 52
    6. 35.4
    1. 7232BDB
    2. NTN
    3. 160
    4. 290
    5. 48
    6. 27.4
    1. 7221BDB
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.74
    1. 7209BDB
    2. NTN
    3. 45
    4. 85
    5. 19
    6. 0.82
    1. 7205BDB
    2. NTN
    3. 25
    4. 52
    5. 15
    6. 0.258
    1. 7207BDB
    2. NTN
    3. 35
    4. 72
    5. 17
    6. 0.574
    1. 7211BDB
    2. NTN
    3. 55
    4. 100
    5. 21
    6. 1.224
    1. 7213BDB
    2. NTN
    3. 65
    4. 120
    5. 23
    6. 1.962
    1. 7218BDB
    2. NTN
    3. 90
    4. 160
    5. 30
    6. 4.44
    1. 7204BDB
    2. NTN
    3. 20
    4. 47
    5. 14
    6. 0.204
    1. 7328BDB
    2. NTN
    3. 140
    4. 300
    5. 62
    6. 43
    1. 7228BDT
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 17.56
    1. 7216BDB
    2. NTN
    3. 80
    4. 140
    5. 26
    6. 2.84
    1. 7215BDB
    2. NTN
    3. 75
    4. 130
    5. 25
    6. 2.38
    1. 7230BDB
    2. NTN
    3. 150
    4. 270
    5. 45
    6. 22
    1. 7202BDB
    2. NTN
    3. 15
    4. 35
    5. 11
    6. 0.092