• Welcome

KOYO 30228JR Bearing

Bearing 30228JR KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 30228JR
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
158
Size mating parts (Da min.)
219
Size mating parts (Da max.)
236
Size mating parts (ra max.)
3
Size mating parts (rb max.)
2.5
Size mating parts (da max.)
163
Size mating parts (Db min.)
237

Overall dimension

External diameter
250 mm
Internal diameter
140 mm
B Width
45.75 mm
Weight
8.97 Kg
Outer ring width
36 mm

Size Geometric characteristics

rРадиус наружней фаски
4 mm

Load and resources

Dynamic load capacity
420 кН
C0 Static load capacity
570 кН
Cr Radial dynamic load
420 кН
Maximum speed with grease lubrication
1500 об/мин
WoilЧастота вращения предельная при жидкой смазке
1900 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
TМонтажная высота в сборе
45.75 mm
Расстояние до действительного центра опоры (a)
49.4 mm
Estimated coefficient (e)
0.44
Y0Estimated coefficient
0.76
Y1Estimated coefficient
1.38
Size
140x250x45.75
Size (r2 min.)
3 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 30308JR
    2. KOYO
    3. 40
    4. 90
    5. 25.25
    6. 0.757
    1. 30221JR
    2. KOYO
    3. 105
    4. 190
    5. 39
    6. 4.49
    1. 30218JR
    2. KOYO
    3. 90
    4. 160
    5. 32.5
    6. 2.65
    1. 30224JR
    2. KOYO
    3. 120
    4. 215
    5. 43.5
    6. 6.36
    1. 30226JR
    2. KOYO
    3. 130
    4. 230
    5. 43.75
    6. 7.24
    1. 30220JR
    2. KOYO
    3. 100
    4. 180
    5. 37
    6. 3.83
    1. 30308XR
    2. KOYO
    3. 40
    4. 90
    5. 25.25
    6. 0.78
    1. 32308JR
    2. KOYO
    3. 40
    4. 90
    5. 35.25
    6. 1.06
    1. 30222JR
    2. KOYO
    3. 110
    4. 200
    5. 41
    6. 5.33
    1. 30309CR
    2. KOYO
    3. 45
    4. 100
    5. 27.25
    6. 1
    1. 303/22R
    2. KOYO
    3. 22
    4. 56
    5. 17.25
    6. 0.216
    1. 30238JR
    2. KOYO
    3. 190
    4. 340
    5. 60
    6. 21.9
    1. 30318JR
    2. KOYO
    3. 90
    4. 190
    5. 46.5
    6. 6.04
    1. 30309JR
    2. KOYO
    3. 45
    4. 100
    5. 27.25
    6. 1.01
    1. 30303JR
    2. KOYO
    3. 17
    4. 47
    5. 15.25
    6. 0.133
    1. 30307XR
    2. KOYO
    3. 35
    4. 80
    5. 22.75
    6. 0.56
    1. 30328JR
    2. KOYO
    3. 140
    4. 300
    5. 67.75
    6. 22.6
    1. 302/22R
    2. KOYO
    3. 22
    4. 50
    5. 15.25
    6. 0.144
    1. 30208JR
    2. KOYO
    3. 40
    4. 80
    5. 19.75
    6. 0.434
    1. 30305JR
    2. KOYO
    3. 25
    4. 62
    5. 18.25
    6. 0.273
    1. 30306JR
    2. KOYO
    3. 30
    4. 72
    5. 20.75
    6. 0.411
    1. 30302JR
    2. KOYO
    3. 15
    4. 42
    5. 14.25
    6. 0.098
    1. 32228JR
    2. KOYO
    3. 140
    4. 250
    5. 71.75
    6. 14.7
    1. 30314JR
    2. KOYO
    3. 70
    4. 150
    5. 38
    6. 3.08
    1. 30203JR
    2. KOYO
    3. 17
    4. 40
    5. 13.25
    6. 0.081
    1. 32222JR
    2. KOYO
    3. 110
    4. 200
    5. 56
    6. 7.45
    1. 30319JR
    2. KOYO
    3. 95
    4. 200
    5. 49.5
    6. 6.96
    1. 303/32R
    2. KOYO
    3. 32
    4. 75
    5. 21.75
    6. 0.461
    1. 30321JR
    2. KOYO
    3. 105
    4. 225
    5. 53.5
    6. 9.73
    1. 30320JR
    2. KOYO
    3. 100
    4. 215
    5. 51.5
    6. 8.49