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NTN 7228DB Bearing

Bearing 7228DB NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7228DB
  • 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
25°

Load and resources

Dynamic load capacity
330 кН
C0 Static load capacity
430 кН
Cr Radial dynamic load
330 кН
Maximum speed with grease lubrication
2 200 об/мин
WoilЧастота вращения предельная при жидкой смазке
2 900 об/мин

Protect

Seal Up
Нет

Other

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

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7928DB
    2. NTN
    3. 140
    4. 190
    5. 24
    6. 3.88
    1. HTA028DB
    2. NTN
    3. 140
    4. 210
    5. 31.5
    6. 7.08
    1. 7228BG
    2. NTN
    3. 140.000
    4. 250.000
    5. 42.000
    6. 8.78
    1. 7221DB
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.58
    1. 7212DB
    2. NTN
    3. 60
    4. 110
    5. 22
    6. 1.53
    1. 7219DB
    2. NTN
    3. 95
    4. 170
    5. 32
    6. 5.34
    1. HTA028UAT2DB/GNP4L
    2. NTN
    3. 140
    4. 210
    5. 63
    6. 7.2
    1. 7228
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 8.78
    1. 7228DF
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 17.56
    1. 7203DB
    2. NTN
    3. 17
    4. 40
    5. 12
    6. 0.128
    1. 7226DB
    2. NTN
    3. 130
    4. 230
    5. 40
    6. 14.3
    1. 7217T1DB+6D/GNP4
    2. NTN
    3. 85
    4. 150
    5. 62
    6. 3.83
    1. 7202DB
    2. NTN
    3. 15
    4. 35
    5. 11
    6. 0.092
    1. 7328DB
    2. NTN
    3. 140
    4. 300
    5. 62
    6. 43
    1. 7216DB
    2. NTN
    3. 80
    4. 140
    5. 26
    6. 2.78
    1. 7200DB
    2. NTN
    3. 10
    4. 30
    5. 9
    6. 0.058
    1. 7208DB
    2. NTN
    3. 40
    4. 80
    5. 18
    6. 0.71
    1. 7240DB
    2. NTN
    3. 200
    4. 360
    5. 58
    6. 50.6
    1. 7028UADEX1DB/G13P4
    2. NTN
    3. 140
    4. 210
    5. 66
    6. 7.92
    1. 7232DB
    2. NTN
    3. 160
    4. 290
    5. 48
    6. 27.4
    1. 7205DB
    2. NTN
    3. 25
    4. 52
    5. 15
    6. 0.25
    1. 7201DB
    2. NTN
    3. 12
    4. 32
    5. 10
    6. 0.07
    1. 7206DB
    2. NTN
    3. 30
    4. 62
    5. 16
    6. 0.386
    1. 7272
    2. NTN
    3. 360.000
    4. 650.000
    5. 95.000
    6. 143.00
    1. 7214DB
    2. NTN
    3. 70
    4. 125
    5. 24
    6. 2.18
    1. 7228DT
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 17.56
    1. 7209DB
    2. NTN
    3. 45
    4. 85
    5. 19
    6. 0.808
    1. 7226DBP5V1
    2. NTN
    3. 130
    4. 230
    5. 80
    6. 14.3
    1. 7220DB
    2. NTN
    3. 100
    4. 180
    5. 34
    6. 6.4
    1. 7256DBP4
    2. NTN
    3. 280
    4. 500
    5. 160
    6. 114