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KOYO 303/28R Bearing

Bearing 303/28R KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 303/28R
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
36.5
Size mating parts (Da min.)
58
Size mating parts (Da max.)
59.5
Size mating parts (ra max.)
1.5
Size mating parts (rb max.)
1.5
Size mating parts (da max.)
38
Size mating parts (Db min.)
63

Overall dimension

External diameter
68 mm
Internal diameter
28 mm
B Width
19.75 mm
Weight
0.345 Kg
Outer ring width
16 mm

Size Geometric characteristics

rРадиус наружней фаски
1.5 mm

Load and resources

Dynamic load capacity
53.5 кН
C0 Static load capacity
54 кН
Cr Radial dynamic load
53.5 кН
Maximum speed with grease lubrication
6100 об/мин
WoilЧастота вращения предельная при жидкой смазке
8200 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
TМонтажная высота в сборе
19.75 mm
Расстояние до действительного центра опоры (a)
14.9 mm
Estimated coefficient (e)
0.32
Y0Estimated coefficient
1.04
Y1Estimated coefficient
1.88
Size
28x68x19.75
Size (r2 min.)
1.5 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 303/22R
    2. KOYO
    3. 22
    4. 56
    5. 17.25
    6. 0.216
    1. 30309CR
    2. KOYO
    3. 45
    4. 100
    5. 27.25
    6. 1
    1. 30308JR
    2. KOYO
    3. 40
    4. 90
    5. 25.25
    6. 0.757
    1. 30303JR
    2. KOYO
    3. 17
    4. 47
    5. 15.25
    6. 0.133
    1. 28137/28300
    2. KOYO
    3. 34.925
    4. 76.2
    5. 20.638
    6. 0.452
    1. 30308XR
    2. KOYO
    3. 40
    4. 90
    5. 25.25
    6. 0.78
    1. 30305JR
    2. KOYO
    3. 25
    4. 62
    5. 18.25
    6. 0.273
    1. 30309JR
    2. KOYO
    3. 45
    4. 100
    5. 27.25
    6. 1.01
    1. 30307XR
    2. KOYO
    3. 35
    4. 80
    5. 22.75
    6. 0.56
    1. 30306JR
    2. KOYO
    3. 30
    4. 72
    5. 20.75
    6. 0.411
    1. 302/28R
    2. KOYO
    3. 28
    4. 58
    5. 17.25
    6. 0.209
    1. 30302JR
    2. KOYO
    3. 15
    4. 42
    5. 14.25
    6. 0.098
    1. 28158/28300
    2. KOYO
    3. 40
    4. 76.2
    5. 20.638
    6. 0.403
    1. 303/32R
    2. KOYO
    3. 32
    4. 75
    5. 21.75
    6. 0.461
    1. 30228JR
    2. KOYO
    3. 140
    4. 250
    5. 45.75
    6. 8.97
    1. 30215CR
    2. KOYO
    3. 75
    4. 130
    5. 27.25
    6. 1.4
    1. 30212JR
    2. KOYO
    3. 60
    4. 110
    5. 23.75
    6. 0.945
    1. 302/22R
    2. KOYO
    3. 22
    4. 50
    5. 15.25
    6. 0.144
    1. 30314CR
    2. KOYO
    3. 70
    4. 150
    5. 38
    6. 3.1
    1. 30214JR
    2. KOYO
    3. 70
    4. 125
    5. 26.25
    6. 1.32
    1. 30211JR
    2. KOYO
    3. 55
    4. 100
    5. 22.75
    6. 0.732
    1. 28985/28921
    2. KOYO
    3. 60.325
    4. 100
    5. 25.4
    6. 0.763
    1. 30209JR
    2. KOYO
    3. 45
    4. 85
    5. 20.75
    6. 0.502
    1. 30321JR
    2. KOYO
    3. 105
    4. 225
    5. 53.5
    6. 9.73
    1. 30312CR
    2. KOYO
    3. 60
    4. 130
    5. 33.5
    6. 1.99
    1. 30318JR
    2. KOYO
    3. 90
    4. 190
    5. 46.5
    6. 6.04
    1. 30308/30308B
    2. Fersa
    3. 40
    4. 90
    5. 10.25
    1. 30318DR
    2. KOYO
    3. 90
    4. 190
    5. 46.5
    6. 5.6
    1. 30315JR
    2. KOYO
    3. 75
    4. 160
    5. 40
    6. 3.65
    1. 30232JR
    2. KOYO
    3. 160
    4. 290
    5. 52
    6. 14.1

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