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NTN 7948DB Bearing

Bearing 7948DB NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7948DB
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
252
Size mating parts (ra max.)
2
Size mating parts (ra1 max.)
1
Size mating parts (Db max.)
313

Overall dimension

External diameter
320 mm
Internal diameter
240 mm
B Width
38 mm
Weight
16.68 Kg
Outer ring width
38 mm

Size Geometric characteristics

rРадиус наружней фаски
2.1 mm
r1 outer ring (flange) installation chamfer
1.1 mm
αУгол контакта
25°

Load and resources

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

Protect

Seal Up
Нет

Other

Number of rolling tracks
2
Расстояние до действительного центра опоры (a)
100 mm
Size
240x320x38
Size (2B)
76 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7911DB
    2. NTN
    3. 55
    4. 80
    5. 13
    6. 0.428
    1. HTA948DB
    2. NTN
    3. 240
    4. 320
    5. 36
    6. 16
    1. 7934DB
    2. NTN
    3. 170
    4. 230
    5. 28
    6. 6.58
    1. 7948
    2. NTN
    3. 240
    4. 320
    5. 38
    6. 8.34
    1. 7960DB
    2. NTN
    3. 300
    4. 420
    5. 56
    6. 47.4
    1. 7914DB
    2. NTN
    3. 70
    4. 100
    5. 16
    6. 0.794
    1. 7976DB
    2. NTN
    3. 380.000
    4. 520.000
    5. 130.000
    6. 79.20
    1. 7952DB
    2. NTN
    3. 260
    4. 360
    5. 46
    6. 28
    1. 7926DB
    2. NTN
    3. 130
    4. 180
    5. 24
    6. 3.64
    1. 7909DB
    2. NTN
    3. 45
    4. 68
    5. 12
    6. 0.3
    1. 7905DB
    2. NTN
    3. 25
    4. 42
    5. 9
    6. 0.1
    1. 7906DB
    2. NTN
    3. 30
    4. 47
    5. 9
    6. 0.116
    1. 7928DB
    2. NTN
    3. 140
    4. 190
    5. 24
    6. 3.88
    1. 7910T1DBT/G035P4
    2. NTN
    3. 50
    4. 72
    5. 36
    6. 0.39
    1. 7948DT
    2. NTN
    3. 240
    4. 320
    5. 38
    6. 16.68
    1. 7956DB
    2. NTN
    3. 280
    4. 380
    5. 46
    6. 29.6
    1. 7913DB
    2. NTN
    3. 65
    4. 90
    5. 13
    6. 0.49
    1. 7912DB
    2. NTN
    3. 60
    4. 85
    5. 13
    6. 0.46
    1. 7915DB
    2. NTN
    3. 75
    4. 105
    5. 16
    6. 0.84
    1. 7930DB
    2. NTN
    3. 150
    4. 210
    5. 28
    6. 5.92
    1. 7910DB
    2. NTN
    3. 50
    4. 72
    5. 12
    6. 0.314
    1. 7918DB
    2. NTN
    3. 90
    4. 125
    5. 18
    6. 1.316
    1. 7907DB
    2. NTN
    3. 35
    4. 55
    5. 10
    6. 0.176
    1. SF4818DB
    2. NTN
    3. 240.000
    4. 329.500
    5. 80.000
    6. 10.20
    1. 7944DB
    2. NTN
    3. 220
    4. 300
    5. 38
    6. 15.48
    1. 7940DB
    2. NTN
    3. 200
    4. 280
    5. 38
    6. 14.3
    1. 7848DB
    2. NTN
    3. 240.000
    4. 300.000
    5. 56.000
    6. 8.56
    1. 7907DBP5
    2. NTN
    3. 35
    4. 55
    5. 20
    6. 0.14
    1. 7917DB
    2. NTN
    3. 85
    4. 120
    5. 18
    6. 1.256
    1. 7919DB
    2. NTN
    3. 95
    4. 130
    5. 18
    6. 1.376