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NTN 21308CK Bearing

Bearing 21308CK NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 21308CK
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
48.5
Size mating parts (Da max.)
81.5
Size mating parts (ra max.)
1.5

Overall dimension

External diameter
90 mm
Internal diameter
40 mm
B Width
23 mm
Weight
0.694 Kg
Outer ring width
23 mm

Size Geometric characteristics

rРадиус наружней фаски
1.5 mm

Load and resources

Dynamic load capacity
88 kN
C0 Static load capacity
90 kN
Cr Radial dynamic load
88 kN
Maximum speed with grease lubrication
4 900 об/мин
WoilЧастота вращения предельная при жидкой смазке
6 400 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
2
Estimated coefficient (e)
0.26
Y0Estimated coefficient
2.5
Y1Estimated coefficient
2.55
Size
40x90x23
Y2Estimated coefficient
3.8

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 21309CK
    2. NTN
    3. 45
    4. 100
    5. 25
    6. 0.912
    1. 22308CK
    2. NTN
    3. 40
    4. 90
    5. 33
    6. 0.951
    1. QJ218C4U35K
    2. NTN
    3. 90.000
    4. 160.000
    5. 30.000
    6. 2.706
    1. 30305CN
    2. NSK
    3. 25
    4. 62
    5. 18.25
    1. 30309
    2. NTN
    3. 45
    4. 100
    5. 27.25
    6. 1
    1. 30306
    2. NTN
    3. 30
    4. 72
    5. 20.75
    6. 0.4
    1. 30305
    2. NTN
    3. 25
    4. 62
    5. 18.25
    6. 0.27
    1. 30218
    2. NTN
    3. 90
    4. 160
    5. 32.5
    6. 2.64
    1. 30304CA
    2. NTN
    3. 20
    4. 52
    5. 16.25
    6. 0.17
    1. 22219BK
    2. NTN
    3. 95
    4. 170
    5. 43
    6. 4.01
    1. SE21302
    2. NTN
    3. 1066.800
    4. 1168.400
    5. 50.800
    6. 60.10
    1. 30216
    2. NTN
    3. 80
    4. 140
    5. 28.25
    6. 1.68
    1. 21308C
    2. NTN
    3. 40
    4. 90
    5. 23
    6. 0.705
    1. 30308/30308B
    2. Fersa
    3. 40
    4. 90
    5. 10.25
    1. 21310CK
    2. NTN
    3. 50
    4. 110
    5. 27
    6. 1.19
    1. 30215
    2. NTN
    3. 75
    4. 130
    5. 27.25
    6. 1.41
    1. 30213
    2. NTN
    3. 65
    4. 120
    5. 24.75
    6. 1.18
    1. 2R3055K
    2. NTN
    3. 151.500
    4. 230.000
    5. 168.000
    6. 25.00
    1. 21075/21212
    2. NSK
    3. 19.05
    4. 53.975
    5. 22.225
    6. 0.253
    1. NU2330K
    2. NTN
    3. 150.000
    4. 320.000
    5. 108.000
    6. 40.50
    1. 32308CN
    2. NSK
    3. 40
    4. 90
    5. 35.25
    1. 4R3033K
    2. NTN
    3. 151.500
    4. 230.000
    5. 168.000
    6. 25.40
    1. 22309CK
    2. NTN
    3. 45
    4. 100
    5. 36
    6. 1.3
    1. 30307
    2. NTN
    3. 35
    4. 80
    5. 22.75
    6. 0.53
    1. 30210
    2. NTN
    3. 50
    4. 90
    5. 21.75
    6. 0.55
    1. 30308
    2. NTN
    3. 40
    4. 90
    5. 25.25
    6. 0.77
    1. 30302
    2. NTN
    3. 15
    4. 42
    5. 14.25
    6. 0.1
    1. 30212
    2. NTN
    3. 60
    4. 110
    5. 23.75
    6. 0.92
    1. 30306CN
    2. NSK
    3. 30
    4. 72
    5. 20.75
    1. 30211
    2. NTN
    3. 55
    4. 100
    5. 22.75
    6. 0.74