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KOYO 7904C Bearing

Bearing 7904C KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7904C
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
22.5
Size mating parts (Da max.)
34.5
Size mating parts (ra max.)
0.3

Overall dimension

External diameter
37 mm
Internal diameter
20 mm
B Width
9 mm
Weight
0.035 Kg
Outer ring width
9 mm

Size Geometric characteristics

rРадиус наружней фаски
0.3 mm
r1 outer ring (flange) installation chamfer
0.15 mm
αУгол контакта
15°

Load and resources

Maximum speed with grease lubrication
30 000 об/мин
WoilЧастота вращения предельная при жидкой смазке
39 000 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
8.3 mm
Size
20x37x9
Estimated coefficient (f0)
14.9

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7924C
    2. KOYO
    3. 120
    4. 165
    5. 22
    6. 1.15
    1. 7938C
    2. KOYO
    3. 190
    4. 260
    5. 33
    6. 4.83
    1. 7936C
    2. KOYO
    3. 180
    4. 250
    5. 33
    6. 4.68
    1. 3NC
    2. KOYO
    3. 20
    4. 47
    5. 14
    1. 7906C
    2. KOYO
    3. 30
    4. 47
    5. 9
    6. 0.046
    1. 7911C
    2. KOYO
    3. 55
    4. 80
    5. 13
    6. 0.178
    1. 7932C
    2. KOYO
    3. 160
    4. 220
    5. 28
    6. 2.60
    1. 7926C
    2. KOYO
    3. 130
    4. 180
    5. 24
    6. 1.50
    1. 7922C
    2. KOYO
    3. 110
    4. 150
    5. 20
    6. 0.840
    1. 7004C
    2. KOYO
    3. 20
    4. 42
    5. 12
    6. 0.079
    1. 7919C
    2. KOYO
    3. 95
    4. 130
    5. 18
    6. 0.574
    1. 7902C
    2. KOYO
    3. 15
    4. 28
    5. 7
    6. 0.015
    1. 7928C
    2. KOYO
    3. 140
    4. 190
    5. 24
    6. 1.59
    1. 7908C
    2. KOYO
    3. 40
    4. 62
    5. 12
    6. 0.107
    1. 7903C
    2. KOYO
    3. 17
    4. 30
    5. 7
    6. 0.016
    1. 7907C
    2. KOYO
    3. 35
    4. 55
    5. 10
    6. 0.074
    1. 7921C
    2. KOYO
    3. 105
    4. 145
    5. 20
    6. 0.810
    1. 7934C
    2. KOYO
    3. 170
    4. 230
    5. 28
    6. 3.21
    1. 7914C
    2. KOYO
    3. 70
    4. 100
    5. 16
    6. 0.332
    1. 7916C
    2. KOYO
    3. 80
    4. 110
    5. 16
    6. 0.368
    1. 7930C
    2. KOYO
    3. 150
    4. 210
    5. 28
    6. 2.47
    1. 7910C
    2. KOYO
    3. 50
    4. 72
    5. 12
    6. 0.128
    1. 7912C
    2. KOYO
    3. 60
    4. 85
    5. 13
    6. 0.187
    1. 7901C
    2. KOYO
    3. 12
    4. 24
    5. 6
    6. 0.010
    1. 7304C
    2. KOYO
    3. 20
    4. 52
    5. 15
    6. 0.150
    1. 7900C
    2. KOYO
    3. 10
    4. 22
    5. 6
    6. 0.008
    1. 7904CPA
    2. KOYO
    3. 20
    4. 37
    5. 9
    6. 0.035
    1. 7909C
    2. KOYO
    3. 45
    4. 68
    5. 12
    6. 0.127
    1. 7905C
    2. KOYO
    3. 25
    4. 42
    5. 9
    6. 0.041
    1. 7920C
    2. KOYO
    3. 100
    4. 140
    5. 20
    6. 0.773