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KOYO 7004B Bearing

Bearing 7004B KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7004B
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
24.5
Size mating parts (Da max.)
37.5
Size mating parts (ra max.)
0.6

Overall dimension

External diameter
42 mm
Internal diameter
20 mm
B Width
12 mm
Weight
0.079 Kg
Outer ring width
12 mm

Size Geometric characteristics

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

Load and resources

Maximum speed with grease lubrication
14 000 об/мин
WoilЧастота вращения предельная при жидкой смазке
19 000 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
19.2 mm
Size
20x42x12

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7052B
    2. KOYO
    3. 260
    4. 400
    5. 65
    6. 29.3
    1. 7064B
    2. KOYO
    3. 320
    4. 480
    5. 74
    6. 47.2
    1. 7068B
    2. KOYO
    3. 340
    4. 520
    5. 82
    6. 63.3
    1. 7028B
    2. KOYO
    3. 140
    4. 210
    5. 33
    6. 3.64
    1. 7026B
    2. KOYO
    3. 130
    4. 200
    5. 33
    6. 3.43
    1. 3NC
    2. KOYO
    3. 20
    4. 42
    5. 12
    1. 7014B
    2. KOYO
    3. 70
    4. 110
    5. 20
    6. 0.660
    1. 7016B
    2. KOYO
    3. 80
    4. 125
    5. 22
    6. 0.930
    1. 7034B
    2. KOYO
    3. 170
    4. 260
    5. 42
    6. 7.77
    1. 7010B
    2. KOYO
    3. 50
    4. 80
    5. 16
    6. 0.290
    1. 7011B
    2. KOYO
    3. 55
    4. 90
    5. 18
    6. 0.420
    1. 7022B
    2. KOYO
    3. 110
    4. 170
    5. 28
    6. 2.14
    1. 7032B
    2. KOYO
    3. 160
    4. 240
    5. 38
    6. 5.45
    1. 7002B
    2. KOYO
    3. 15
    4. 32
    5. 9
    6. 0.035
    1. 7304B
    2. KOYO
    3. 20
    4. 52
    5. 15
    6. 0.150
    1. 7009B
    2. KOYO
    3. 45
    4. 75
    5. 16
    6. 0.260
    1. 7038B
    2. KOYO
    3. 190
    4. 290
    5. 46
    6. 10.8
    1. 7005B
    2. KOYO
    3. 25
    4. 47
    5. 12
    6. 0.091
    1. 7048B
    2. KOYO
    3. 240
    4. 360
    5. 56
    6. 20.1
    1. 7017B
    2. KOYO
    3. 85
    4. 130
    5. 22
    6. 0.970
    1. 7020B
    2. KOYO
    3. 100
    4. 150
    5. 24
    6. 1.37
    1. 7021B
    2. KOYO
    3. 105
    4. 160
    5. 26
    6. 1.73
    1. 7004CPA
    2. KOYO
    3. 20
    4. 42
    5. 12
    6. 0.079
    1. 7008B
    2. KOYO
    3. 40
    4. 68
    5. 15
    6. 0.210
    1. 7024B
    2. KOYO
    3. 120
    4. 180
    5. 28
    6. 2.27
    1. 7040B
    2. KOYO
    3. 200
    4. 310
    5. 51
    6. 12.7
    1. 7004C
    2. KOYO
    3. 20
    4. 42
    5. 12
    6. 0.079
    1. 79/670B
    2. KOYO
    3. 670
    4. 900
    5. 103
    6. 178
    1. 7006B
    2. KOYO
    3. 30
    4. 55
    5. 13
    6. 0.133
    1. 7056B
    2. KOYO
    3. 280
    4. 420
    5. 65
    6. 31