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KOYO 2872/2820 Bearing

Bearing 2872/2820 KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 2872/2820
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (Da)
62
Size mating parts (Db)
68
Size mating parts (da min.)
37.5
Size mating parts (ra max.)
0.8
Size mating parts (rb max.)
3.2
Size mating parts (db min.)
37

Overall dimension

External diameter
73.025 mm
Internal diameter
28.575 mm
B Width
22.225 mm
Weight
0.477 Kg
Outer ring width
17.462 mm

Size Geometric characteristics

rРадиус наружней фаски
0.8 mm

Load and resources

Dynamic load capacity
55 кН
C0 Static load capacity
65.7 кН
Cr Radial dynamic load
55 кН
Maximum speed with grease lubrication
5500 об/мин
WoilЧастота вращения предельная при жидкой смазке
7400 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
TМонтажная высота в сборе
22.225 mm
Расстояние до действительного центра опоры (a)
18.4 mm
Estimated coefficient (e)
0.45
Y0Estimated coefficient
0.73
Y1Estimated coefficient
1.32
Size
28.575x73.025x22.225
Size (r2 min.)
3.2 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 28880/28820
    2. KOYO
    3. 247.65
    4. 304.8
    5. 22.225
    6. 3.05
    1. 2875/2820
    2. KOYO
    3. 31.75
    4. 73.025
    5. 22.225
    6. 0.451
    1. 2877/2820
    2. KOYO
    3. 34.925
    4. 73.025
    5. 22.225
    6. 0.42
    1. 28158/28300
    2. KOYO
    3. 40
    4. 76.2
    5. 20.638
    6. 0.403
    1. 28150/28317
    2. KOYO
    3. 38.1
    4. 80.035
    5. 21.432
    6. 0.486
    1. AC725482B
    2. KOYO
    3. 360
    4. 539.5
    5. 82
    6. 63.5
    1. 28985/28921
    2. KOYO
    3. 60.325
    4. 100
    5. 25.4
    6. 0.763
    1. 7228C
    2. KOYO
    3. 140
    4. 250
    5. 42
    6. 7.76
    1. 28680/28622
    2. KOYO
    3. 55.562
    4. 97.63
    5. 24.608
    6. 0.759
    1. 28137/28300
    2. KOYO
    3. 34.925
    4. 76.2
    5. 20.638
    6. 0.452
    1. 28985/28920
    2. KOYO
    3. 60.325
    4. 101.6
    5. 25.4
    6. 0.802
    1. 2682/2631
    2. KOYO
    3. 26.162
    4. 66.421
    5. 23.812
    6. 0.431
    1. 7228CPA
    2. KOYO
    3. 140
    4. 250
    5. 42
    6. 7.76
    1. 7228B
    2. KOYO
    3. 140
    4. 250
    5. 42
    6. 7.76
    1. 28678/28622
    2. KOYO
    3. 50.8
    4. 97.63
    5. 24.608
    6. 0.836
    1. 7217B
    2. KOYO
    3. 85
    4. 150
    5. 28
    6. 1.87
    1. 2878/2820
    2. Timken
    3. 34.925
    4. 73.025
    5. 22.225
    6. 0.43
    1. 234728B
    2. KOYO
    3. 145
    4. 210
    5. 84
    6. 8.44
    1. 7200B
    2. KOYO
    3. 10
    4. 30
    5. 9
    6. 0.031
    1. 2879/2820
    2. Timken
    3. 31.75
    4. 73.025
    5. 22.225
    6. 0.47
    1. 7236B
    2. KOYO
    3. 180
    4. 320
    5. 52
    6. 15.7
    1. 7238B
    2. KOYO
    3. 190
    4. 340
    5. 55
    6. 18.8
    1. 7200CPA
    2. KOYO
    3. 10
    4. 30
    5. 9
    6. 0.031
    1. 303/28R
    2. KOYO
    3. 28
    4. 68
    5. 19.75
    6. 0.345
    1. 7207CPA
    2. KOYO
    3. 35
    4. 72
    5. 17
    6. 0.295
    1. 7207B
    2. KOYO
    3. 35
    4. 72
    5. 17
    6. 0.295
    1. 7224B
    2. KOYO
    3. 120
    4. 215
    5. 40
    6. 5.49
    1. 2878/2820
    2. CX
    3. 34.925
    4. 73.025
    5. 22.225
    6. 0.43
    1. DC4872AVW
    2. KOYO
    3. 360
    4. 440
    5. 80
    6. 27
    1. 2984/2924
    2. KOYO
    3. 46.038
    4. 85
    5. 25.4
    6. 0.609

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