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KOYO 7248 Bearing

Bearing 7248 KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7248
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
258
Size mating parts (Da max.)
422
Size mating parts (ra max.)
3

Overall dimension

External diameter
440 mm
Internal diameter
240 mm
B Width
72 mm
Weight
51.8 Kg
Outer ring width
72 mm

Size Geometric characteristics

rРадиус наружней фаски
4 mm
r1 outer ring (flange) installation chamfer
1.5 mm
αУгол контакта
30°

Load and resources

Maximum speed with grease lubrication
1500 об/мин
WoilЧастота вращения предельная при жидкой смазке
1800 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
134.2 mm
Size
240x440x72

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7248
    2. KOYO
    3. 240
    4. 440
    5. 72
    6. 51.8
    1. DC4872VW
    2. KOYO
    3. 360
    4. 440
    5. 80
    6. 27
    1. DC4848VW
    2. KOYO
    3. 240
    4. 300
    5. 60
    6. 10.2
    1. DC4864VW
    2. KOYO
    3. 320
    4. 400
    5. 80
    6. 24.3
    1. N248
    2. KOYO
    3. 240
    4. 440
    5. 72
    6. 52.1
    1. 7200
    2. KOYO
    3. 10
    4. 30
    5. 9
    6. 0.031
    1. 7203
    2. KOYO
    3. 17
    4. 40
    5. 12
    6. 0.070
    1. 7204
    2. KOYO
    3. 20
    4. 47
    5. 14
    6. 0.112
    1. NTA-3648
    2. KOYO
    3. 57.15
    4. 76.2
    5. 1.984
    6. 0.017
    1. 305272-1
    2. KOYO
    3. 220
    4. 309.5
    5. 76
    6. 22
    1. 7238
    2. KOYO
    3. 190
    4. 340
    5. 55
    6. 18.8
    1. DC4856VW
    2. KOYO
    3. 280
    4. 350
    5. 69
    6. 16
    1. 7210
    2. KOYO
    3. 50
    4. 90
    5. 20
    6. 0.485
    1. 7215
    2. KOYO
    3. 75
    4. 130
    5. 25
    6. 1.23
    1. 7201
    2. KOYO
    3. 12
    4. 32
    5. 10
    6. 0.038
    1. 7226
    2. KOYO
    3. 130
    4. 230
    5. 40
    6. 6.21
    1. N348
    2. KOYO
    3. 240
    4. 500
    5. 95
    6. 94.6
    1. 7213
    2. KOYO
    3. 65
    4. 120
    5. 23
    6. 1.02
    1. DC4972VW
    2. KOYO
    3. 360
    4. 480
    5. 118
    6. 62
    1. 7219
    2. KOYO
    3. 95
    4. 170
    5. 32
    6. 2.78
    1. DC4876VW
    2. KOYO
    3. 380
    4. 480
    5. 100
    6. 45.3
    1. DC4948VW
    2. KOYO
    3. 240
    4. 320
    5. 80
    6. 18.4
    1. 7228
    2. KOYO
    3. 140
    4. 250
    5. 42
    6. 7.76
    1. DC4834VW
    2. KOYO
    3. 170
    4. 215
    5. 45
    6. 4.1
    1. 7218
    2. KOYO
    3. 90
    4. 160
    5. 30
    6. 2.30
    1. 7948
    2. KOYO
    3. 240
    4. 320
    5. 38
    6. 8
    1. DC4852VW
    2. KOYO
    3. 260
    4. 320
    5. 60
    6. 11
    1. DC4830VW
    2. KOYO
    3. 150
    4. 190
    5. 40
    6. 2.9
    1. DC4840VW
    2. KOYO
    3. 200
    4. 250
    5. 50
    6. 5.9
    1. 7222
    2. KOYO
    3. 110
    4. 200
    5. 38
    6. 4.65