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KOYO 7228C Bearing

Bearing 7228C KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7228C
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
154
Size mating parts (Da max.)
236
Size mating parts (ra max.)
2.5

Overall dimension

External diameter
250 mm
Internal diameter
140 mm
B Width
42 mm
Weight
7.76 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
15°

Load and resources

Maximum speed with grease lubrication
4000 об/мин
WoilЧастота вращения предельная при жидкой смазке
5300 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
47.1 mm
Size
140x250x42
Estimated coefficient (f0)
14.8

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7228CPA
    2. KOYO
    3. 140
    4. 250
    5. 42
    6. 7.76
    1. 3NC
    2. KOYO
    3. 20
    4. 47
    5. 14
    1. 3NC
    2. KOYO
    3. 40
    4. 80
    5. 18
    1. 7208C
    2. KOYO
    3. 40
    4. 80
    5. 18
    6. 0.382
    1. 7228
    2. CX
    3. 140
    4. 250
    5. 42
    6. 8.1
    1. 7238C
    2. KOYO
    3. 190
    4. 340
    5. 55
    6. 18.8
    1. 3NC
    2. KOYO
    3. 35
    4. 72
    5. 17
    1. 7214C
    2. KOYO
    3. 70
    4. 125
    5. 24
    6. 1.12
    1. 7028C
    2. KOYO
    3. 140
    4. 210
    5. 33
    6. 3.64
    1. 7204C
    2. KOYO
    3. 20
    4. 47
    5. 14
    6. 0.112
    1. 7928C
    2. KOYO
    3. 140
    4. 190
    5. 24
    6. 1.59
    1. 28680/28622
    2. KOYO
    3. 55.562
    4. 97.63
    5. 24.608
    6. 0.759
    1. 7219C
    2. KOYO
    3. 95
    4. 170
    5. 32
    6. 2.78
    1. 7228
    2. CX
    3. 140
    4. 250
    5. 42
    6. 9.95
    1. 7228B
    2. KOYO
    3. 140
    4. 250
    5. 42
    6. 7.76
    1. 3NC
    2. KOYO
    3. 30
    4. 62
    5. 16
    1. 7328C
    2. KOYO
    3. 140
    4. 300
    5. 62
    6. 18.8
    1. 7222C
    2. KOYO
    3. 110
    4. 200
    5. 38
    6. 4.65
    1. 3NC
    2. KOYO
    3. 25
    4. 52
    5. 15
    1. 28985/28920
    2. KOYO
    3. 60.325
    4. 101.6
    5. 25.4
    6. 0.802
    1. 7205C
    2. KOYO
    3. 25
    4. 52
    5. 15
    6. 0.135
    1. 28880/28820
    2. KOYO
    3. 247.65
    4. 304.8
    5. 22.225
    6. 3.05
    1. 7220C
    2. KOYO
    3. 100
    4. 180
    5. 34
    6. 3.32
    1. 7200C
    2. KOYO
    3. 10
    4. 30
    5. 9
    6. 0.031
    1. 7201C
    2. KOYO
    3. 12
    4. 32
    5. 10
    6. 0.038
    1. 7207C
    2. KOYO
    3. 35
    4. 72
    5. 17
    6. 0.295
    1. 2872/2820
    2. KOYO
    3. 28.575
    4. 73.025
    5. 22.225
    6. 0.477
    1. 7230C
    2. KOYO
    3. 150
    4. 270
    5. 45
    6. 9.75
    1. 7209C
    2. KOYO
    3. 45
    4. 85
    5. 19
    6. 0.430
    1. 7221C
    2. KOYO
    3. 105
    4. 190
    5. 36
    6. 3.95

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