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NTN 7308B Bearing

Bearing 7308B NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7308B
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
48.5
Size mating parts (ra max.)
1.5
Size mating parts (db min.)
45.5

Overall dimension

External diameter
90 mm
Internal diameter
40 mm
B Width
23 mm
Weight
0.636 Kg
Outer ring width
23 mm

Size Geometric characteristics

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

Load and resources

Dynamic load capacity
45 кН
C0 Static load capacity
30.5 кН
Cr Radial dynamic load
45 кН
Maximum speed with grease lubrication
7 400 об/мин
WoilЧастота вращения предельная при жидкой смазке
9 900 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
39 mm
Size
40x90x23

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7308B
    2. NTN
    3. 40
    4. 90
    5. 23
    6. 0.636
    1. 7312BDB
    2. NTN
    3. 60
    4. 130
    5. 31
    6. 3.54
    1. 7300B
    2. NTN
    3. 10
    4. 35
    5. 11
    6. 0.041
    1. 7305B
    2. NTN
    3. 25
    4. 62
    5. 17
    6. 0.234
    1. 7322CDB
    2. NTN
    3. 110.000
    4. 240.000
    5. 100.000
    6. 19.18
    1. 7315B
    2. NTN
    3. 75
    4. 160
    5. 37
    6. 3.13
    1. 7322BDB
    2. NTN
    3. 110
    4. 240
    5. 50
    6. 19.6
    1. 7338BDB
    2. NTN
    3. 190
    4. 400
    5. 78
    6. 94
    1. 7303B
    2. NTN
    3. 17
    4. 47
    5. 14
    6. 0.109
    1. 7302B
    2. NTN
    3. 15
    4. 42
    5. 13
    6. 0.057
    1. 7319BDB
    2. NTN
    3. 95
    4. 200
    5. 45
    6. 12
    1. 7306B
    2. NTN
    3. 30
    4. 72
    5. 19
    6. 0.352
    1. 7311BDB
    2. NTN
    3. 55
    4. 120
    5. 29
    6. 2.84
    1. 7324B
    2. NTN
    3. 120
    4. 260
    5. 55
    6. 14.7
    1. 7318BDB
    2. NTN
    3. 90
    4. 190
    5. 43
    6. 10.32
    1. 7313BDB
    2. NTN
    3. 65
    4. 140
    5. 33
    6. 4.3
    1. 7321B
    2. NTN
    3. 105
    4. 225
    5. 49
    6. 8.36
    1. 7309BDB
    2. NTN
    3. 45
    4. 100
    5. 25
    6. 1.708
    1. 7408B
    2. NTN
    3. 40.000
    4. 110.000
    5. 27.000
    6. 1.39
    1. 7208BDB
    2. NTN
    3. 40
    4. 80
    5. 18
    6. 0.75
    1. 7334B
    2. NTN
    3. 170
    4. 360
    5. 72
    6. 35.3
    1. 7304BDB
    2. NTN
    3. 20
    4. 52
    5. 15
    6. 0.282
    1. 7332B
    2. NTN
    3. 160
    4. 340
    5. 68
    6. 29.8
    1. 7328BDB
    2. NTN
    3. 140
    4. 300
    5. 62
    6. 43
    1. 7302BDB
    2. NTN
    3. 15
    4. 42
    5. 13
    6. 0.114
    1. 7328B
    2. NTN
    3. 140
    4. 300
    5. 62
    6. 21.5
    1. 7317BDB
    2. NTN
    3. 85
    4. 180
    5. 41
    6. 8.86
    1. 7408BDB
    2. NTN
    3. 40.000
    4. 110.000
    5. 54.000
    6. 2.78
    1. 7332BDB
    2. NTN
    3. 160
    4. 340
    5. 68
    6. 59.6
    1. 7316BDB
    2. NTN
    3. 80
    4. 170
    5. 39
    6. 7.44