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KOYO 30256 Bearing

Bearing 30256 KOYO , KOYO bearing

Dimensional Specifications

  • Bore type KOYO Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 30256
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
308
Size mating parts (Da min.)
440
Size mating parts (Da max.)
478
Size mating parts (ra max.)
5
Size mating parts (rb max.)
4
Size mating parts (da max.)
325
Size mating parts (Db min.)
475

Overall dimension

External diameter
500 mm
Internal diameter
280 mm
B Width
89 mm
Weight
67.6 Kg
Outer ring width
67 mm

Size Geometric characteristics

rРадиус наружней фаски
6 mm

Load and resources

Dynamic load capacity
1260 кН
C0 Static load capacity
1920 кН
Cr Radial dynamic load
1260 кН
Maximum speed with grease lubrication
610 об/мин
WoilЧастота вращения предельная при жидкой смазке
810 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
TМонтажная высота в сборе
89 mm
Расстояние до действительного центра опоры (a)
96.2 mm
Estimated coefficient (e)
0.42
Y0Estimated coefficient
0.79
Y1Estimated coefficient
1.44
Size
280x500x89
Size (r2 min.)
5 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 25590/25526
    2. KOYO
    3. 45.618
    4. 85
    5. 23.812
    6. 0.585
    1. 30308JR
    2. KOYO
    3. 40
    4. 90
    5. 25.25
    6. 0.757
    1. 25577/25520
    2. KOYO
    3. 42.875
    4. 82.931
    5. 23.812
    6. 0.582
    1. 30304AC
    2. KOYO
    3. 20
    4. 52
    5. 16.25
    6. 0.17
    1. 25582/25520
    2. KOYO
    3. 44.45
    4. 82.931
    5. 23.812
    6. 0.561
    1. 32256
    2. KOYO
    3. 280
    4. 500
    5. 137
    6. 108
    1. 30303JR
    2. KOYO
    3. 17
    4. 47
    5. 15.25
    6. 0.133
    1. 53306
    2. ISB
    3. 30
    4. 60
    5. 22.6
    6. 0.33
    1. 51306
    2. KOYO
    3. 30
    4. 60
    5. 21
    1. 53306
    2. KOYO
    3. 30
    4. 60
    5. 22.6
    6. 0.27
    1. 30308/30308B
    2. Fersa
    3. 40
    4. 90
    5. 10.25
    1. ARZ
    2. KOYO
    3. 65
    4. 116
    5. 22
    6. 1.04
    1. 30309CR
    2. KOYO
    3. 45
    4. 100
    5. 27.25
    6. 1
    1. 30336
    2. KOYO
    3. 180
    4. 380
    5. 83
    6. 39.7
    1. 30252
    2. KOYO
    3. 260
    4. 480
    5. 89
    6. 64.9
    1. AXZ
    2. KOYO
    3. 45
    4. 66
    5. 8
    6. 0.092
    1. 54306
    2. ISB
    3. 25
    4. 60
    5. 41.3
    6. 0.58
    1. NF306
    2. KOYO
    3. 30
    4. 72
    5. 19
    6. 0.358
    1. 30308XR
    2. KOYO
    3. 40
    4. 90
    5. 25.25
    6. 0.78
    1. 22256
    2. ISB
    3. 260
    4. 500
    5. 130
    6. 125
    1. 30306JR
    2. KOYO
    3. 30
    4. 72
    5. 20.75
    6. 0.411
    1. 30307JR-1
    2. KOYO
    3. 35
    4. 80
    5. 22.75
    6. 0.527
    1. 30309JR
    2. KOYO
    3. 45
    4. 100
    5. 27.25
    6. 1.01
    1. NAO17X30X26
    2. KOYO
    3. 17
    4. 30
    5. 26
    6. 0.084
    1. NF256
    2. KOYO
    3. 280
    4. 500
    5. 80
    6. 72.7
    1. 30305JR
    2. KOYO
    3. 25
    4. 62
    5. 18.25
    6. 0.273
    1. 25572/25520
    2. KOYO
    3. 38.1
    4. 82.931
    5. 23.812
    6. 0.64
    1. 30302JR
    2. KOYO
    3. 15
    4. 42
    5. 14.25
    6. 0.098
    1. 30307XR
    2. KOYO
    3. 35
    4. 80
    5. 22.75
    6. 0.56
    1. 51305
    2. KOYO
    3. 25
    4. 52
    5. 18

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