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NTN 30228 Bearing

Bearing 30228 NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 30228
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
158
Size mating parts (Da min.)
219
Size mating parts (Da max.)
236
Size mating parts (db max.)
163
Size mating parts (ra max.)
2.5
Size mating parts (ra1 max.)
2.5
Size mating parts (Db min.)
237
Size mating parts (Sa)
7
Size mating parts (Sb)
9.5

Overall dimension

External diameter
250 mm
Internal diameter
140 mm
B Width
45.75 mm
Weight
8.37 Kg
Outer ring width
36 mm

Size Geometric characteristics

rРадиус наружней фаски
3 mm
r1 outer ring (flange) installation chamfer
3 mm

Load and resources

Dynamic load capacity
375 кН
C0 Static load capacity
485 кН
Cr Radial dynamic load
375 кН
Maximum speed with grease lubrication
1 400 об/мин
WoilЧастота вращения предельная при жидкой смазке
1 900 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
TМонтажная высота в сборе
45.75 mm
Расстояние до действительного центра опоры (a)
47.5 mm
Estimated coefficient (e)
0.43
Y0Estimated coefficient
0.77
Size
140x250x45.75
Y2Estimated coefficient
1.39

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 22308
    2. ISB
    3. 35
    4. 90
    5. 33
    6. 1.25
    1. 30228
    2. NTN
    3. 140
    4. 250
    5. 45.75
    6. 8.37
    1. 53228
    2. ISB
    3. 140
    4. 200
    5. 48.6
    6. 5.45
    1. 23228
    2. ISB
    3. 135
    4. 250
    5. 88
    6. 20.5
    1. NJ2222-E-TVP2
    2. FAG
    3. 110
    4. 200
    5. 53
    6. 6.89
    1. NJ2230-E-M1
    2. FAG
    3. 150
    4. 270
    5. 73
    6. 18.9
    1. NF308
    2. NTN
    3. 40
    4. 90
    5. 23
    6. 0.658
    1. 30338
    2. NTN
    3. 190
    4. 400
    5. 86
    6. 43.5
    1. 30248
    2. NTN
    3. 240
    4. 440
    5. 79
    6. 47.7
    1. ARXJ30.1X43.8X2.8
    2. NTN
    3. 30.150
    4. 43.800
    5. 2.800
    6. 0.03
    1. 2222S
    2. NTN
    3. 110
    4. 200
    5. 53
    6. 6.64
    1. 22228
    2. ISB
    3. 135
    4. 250
    5. 68
    6. 15
    1. 30220
    2. NTN
    3. 100
    4. 180
    5. 37
    6. 3.78
    1. 5S-BNT008
    2. NTN
    3. 40
    4. 68
    5. 15
    6. 0.162
    1. 30221
    2. NTN
    3. 105
    4. 190
    5. 39
    6. 4.39
    1. 30307
    2. NTN
    3. 35
    4. 80
    5. 22.75
    6. 0.53
    1. 22228
    2. ISB
    3. 125
    4. 250
    5. 68
    6. 17.8
    1. 30226
    2. NTN
    3. 130
    4. 230
    5. 43.75
    6. 7
    1. 30304CA
    2. NTN
    3. 20
    4. 52
    5. 16.25
    6. 0.17
    1. 30348
    2. NTN
    3. 240
    4. 500
    5. 105
    6. 87.2
    1. 30222
    2. NTN
    3. 110
    4. 200
    5. 41
    6. 5
    1. AU0822-2LL/L588
    2. NTN
    3. 40
    4. 80
    5. 40
    6. 0.886
    1. 51308
    2. NTN
    3. 40
    4. 78
    5. 26
    6. 0.548
    1. 30302
    2. NTN
    3. 15
    4. 42
    5. 14.25
    6. 0.1
    1. 30303
    2. NTN
    3. 17
    4. 47
    5. 15.25
    6. 0.13
    1. 22228BK
    2. NTN
    3. 140
    4. 250
    5. 68
    6. 13.7
    1. 30218
    2. NTN
    3. 90
    4. 160
    5. 32.5
    6. 2.64
    1. ARXJ22.2X42.3X3.8
    2. NTN
    3. 22.200
    4. 42.300
    5. 3.800
    6. 0.05
    1. 22220BK
    2. NTN
    3. 100
    4. 180
    5. 46
    6. 4.84
    1. 22309CK
    2. NTN
    3. 45
    4. 100
    5. 36
    6. 1.3