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KOYO 7921C Bearing

Bearing 7921C KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7921C
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
112
Size mating parts (Da max.)
138
Size mating parts (ra max.)
1

Overall dimension

External diameter
145 mm
Internal diameter
105 mm
B Width
20 mm
Weight
0.810 Kg
Outer ring width
20 mm

Size Geometric characteristics

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

Load and resources

Maximum speed with grease lubrication
6700 об/мин
WoilЧастота вращения предельная при жидкой смазке
8800 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
26.7 mm
Size
105x145x20
Estimated coefficient (f0)
16.4

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 21063/21212
    2. KOYO
    3. 15.875
    4. 53.975
    5. 22.225
    6. 0.26
    1. 7940C
    2. KOYO
    3. 200
    4. 280
    5. 38
    6. 6.85
    1. 7909C
    2. KOYO
    3. 45
    4. 68
    5. 12
    6. 0.127
    1. 7902C
    2. KOYO
    3. 15
    4. 28
    5. 7
    6. 0.015
    1. 7903C
    2. KOYO
    3. 17
    4. 30
    5. 7
    6. 0.016
    1. HAR021C
    2. KOYO
    3. 105
    4. 160
    5. 26
    6. 1.68
    1. 7918C
    2. KOYO
    3. 90
    4. 125
    5. 18
    6. 0.551
    1. 7932C
    2. KOYO
    3. 160
    4. 220
    5. 28
    6. 2.60
    1. 7928C
    2. KOYO
    3. 140
    4. 190
    5. 24
    6. 1.59
    1. 7920C
    2. KOYO
    3. 100
    4. 140
    5. 20
    6. 0.773
    1. 7911C
    2. KOYO
    3. 55
    4. 80
    5. 13
    6. 0.178
    1. 7934C
    2. KOYO
    3. 170
    4. 230
    5. 28
    6. 3.21
    1. 7912C
    2. KOYO
    3. 60
    4. 85
    5. 13
    6. 0.187
    1. 7921CPA
    2. KOYO
    3. 105
    4. 145
    5. 20
    6. 0.81
    1. 7321C
    2. KOYO
    3. 105
    4. 225
    5. 49
    6. 8.62
    1. 7919C
    2. KOYO
    3. 95
    4. 130
    5. 18
    6. 0.574
    1. 7907C
    2. KOYO
    3. 35
    4. 55
    5. 10
    6. 0.074
    1. 7021C
    2. KOYO
    3. 105
    4. 160
    5. 26
    6. 1.73
    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. 7936C
    2. KOYO
    3. 180
    4. 250
    5. 33
    6. 4.68
    1. 7926C
    2. KOYO
    3. 130
    4. 180
    5. 24
    6. 1.50
    1. 7900C
    2. KOYO
    3. 10
    4. 22
    5. 6
    6. 0.008
    1. 7221C
    2. KOYO
    3. 105
    4. 190
    5. 36
    6. 3.95
    1. 7922C
    2. KOYO
    3. 110
    4. 150
    5. 20
    6. 0.840
    1. HAR921C
    2. KOYO
    3. 105
    4. 145
    5. 20
    6. 0.874
    1. 7915C
    2. KOYO
    3. 75
    4. 105
    5. 16
    6. 0.350
    1. 7904C
    2. KOYO
    3. 20
    4. 37
    5. 9
    6. 0.035
    1. 7910C
    2. KOYO
    3. 50
    4. 72
    5. 12
    6. 0.128