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NTN 7221B Bearing

Bearing 7221B NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7221B
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
117
Size mating parts (ra max.)
2
Size mating parts (db min.)
112

Overall dimension

External diameter
190 mm
Internal diameter
105 mm
B Width
36 mm
Weight
3.87 Kg
Outer ring width
36 mm

Size Geometric characteristics

rРадиус наружней фаски
2.1 mm
r1 outer ring (flange) installation chamfer
1.1 mm
αУгол контакта
40°

Load and resources

Dynamic load capacity
142 кН
C0 Static load capacity
129 кН
Cr Radial dynamic load
142 кН
Maximum speed with grease lubrication
3 200 об/мин
WoilЧастота вращения предельная при жидкой смазке
4 300 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
80 mm
Size
105x190x36

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7221B
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 3.87
    1. 7220BDB
    2. NTN
    3. 100
    4. 180
    5. 34
    6. 6.52
    1. 7238BDB
    2. NTN
    3. 190
    4. 340
    5. 55
    6. 42.6
    1. 7209B
    2. NTN
    3. 45
    4. 85
    5. 19
    6. 0.41
    1. 7215BDB
    2. NTN
    3. 75
    4. 130
    5. 25
    6. 2.38
    1. 7217BDB
    2. NTN
    3. 85
    4. 150
    5. 28
    6. 3.64
    1. 7212B
    2. NTN
    3. 60
    4. 110
    5. 22
    6. 0.78
    1. 7207B
    2. NTN
    3. 35
    4. 72
    5. 17
    6. 0.287
    1. 7215B
    2. NTN
    3. 75
    4. 130
    5. 25
    6. 1.19
    1. 7202B
    2. NTN
    3. 15
    4. 35
    5. 11
    6. 0.046
    1. 7244B
    2. NTN
    3. 220.000
    4. 400.000
    5. 65.000
    6. 25.46
    1. 7221BDF
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.74
    1. 7211B
    2. NTN
    3. 55
    4. 100
    5. 21
    6. 0.612
    1. 7212BDB
    2. NTN
    3. 60
    4. 110
    5. 22
    6. 1.56
    1. 7200B
    2. NTN
    3. 10
    4. 30
    5. 9
    6. 0.029
    1. 7205BDB
    2. NTN
    3. 25
    4. 52
    5. 15
    6. 0.258
    1. 7226CDB
    2. NTN
    3. 130.000
    4. 230.000
    5. 80.000
    6. 11.66
    1. 7211BDB
    2. NTN
    3. 55
    4. 100
    5. 21
    6. 1.224
    1. 7224B
    2. NTN
    3. 120
    4. 215
    5. 40
    6. 6.26
    1. 7208B
    2. NTN
    3. 40
    4. 80
    5. 18
    6. 0.375
    1. 7206B
    2. NTN
    3. 30
    4. 62
    5. 16
    6. 0.197
    1. 7214BDB
    2. NTN
    3. 70
    4. 125
    5. 24
    6. 2.22
    1. 7221BDT
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.74
    1. 7203B
    2. NTN
    3. 17
    4. 40
    5. 12
    6. 0.066
    1. 7216BDB
    2. NTN
    3. 80
    4. 140
    5. 26
    6. 2.84
    1. 7236BDB
    2. NTN
    3. 180
    4. 320
    5. 52
    6. 35.4
    1. 7021B
    2. NTN
    3. 105.000
    4. 160.000
    5. 26.000
    6. 1.88
    1. 7236B
    2. NTN
    3. 180
    4. 320
    5. 52
    6. 17.7
    1. 7218BDB
    2. NTN
    3. 90
    4. 160
    5. 30
    6. 4.44
    1. 7226B
    2. NTN
    3. 130
    4. 230
    5. 40
    6. 7.15