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NTN 7221DF Bearing

Bearing 7221DF NTN , NTN bearing

Dimensional Specifications

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

Connecting Size

Size mating parts (Da max.)
178
Size mating parts (ra max.)
2
Size mating parts (ra1 max.)
1
Size mating parts (db min.)
112

Overall dimension

External diameter
190 mm
Internal diameter
105 mm
B Width
36 mm
Weight
7.58 Kg

Size Geometric characteristics

rРадиус наружней фаски
2.1 mm
r1 outer ring (flange) installation chamfer
1.1 mm
αУгол контакта
25°

Load and resources

Dynamic load capacity
254 кН
C0 Static load capacity
283 кН
Cr Radial dynamic load
254 кН
Maximum speed with grease lubrication
3 000 об/мин
WoilЧастота вращения предельная при жидкой смазке
4 000 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
2
Расстояние до действительного центра опоры (a)
60.5 mm
Size
105x190x36
Size (2B)
72 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7236DF
    2. NTN
    3. 180
    4. 320
    5. 52
    6. 35.4
    1. 7215DF
    2. NTN
    3. 75
    4. 130
    5. 25
    6. 2.34
    1. 7222DF
    2. NTN
    3. 110
    4. 200
    5. 38
    6. 8.9
    1. 7228DF
    2. NTN
    3. 140
    4. 250
    5. 42
    6. 17.56
    1. 7209DF
    2. NTN
    3. 45
    4. 85
    5. 19
    6. 0.808
    1. 32212UDF
    2. NTN
    3. 60
    4. 110
    5. 59.5
    6. 2.42
    1. 7221
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 3.79
    1. 7272
    2. NTN
    3. 360.000
    4. 650.000
    5. 95.000
    6. 143.00
    1. 32218UDF
    2. NTN
    3. 90
    4. 160
    5. 85
    6. 7.2
    1. 30217UDF
    2. NTN
    3. 85
    4. 150
    5. 61
    6. 4.46
    1. 7207DF
    2. NTN
    3. 35
    4. 72
    5. 17
    6. 0.562
    1. 7212DF
    2. NTN
    3. 60
    4. 110
    5. 22
    6. 1.53
    1. 7202DF
    2. NTN
    3. 15
    4. 35
    5. 11
    6. 0.092
    1. 7232DF
    2. NTN
    3. 160
    4. 290
    5. 48
    6. 27.4
    1. 7021DF
    2. NTN
    3. 105
    4. 160
    5. 26
    6. 3.72
    1. 7240DF
    2. NTN
    3. 200
    4. 360
    5. 58
    6. 50.6
    1. 7226DF
    2. NTN
    3. 130
    4. 230
    5. 40
    6. 14.3
    1. 7206DF
    2. NTN
    3. 30
    4. 62
    5. 16
    6. 0.386
    1. 7205DF
    2. NTN
    3. 25
    4. 52
    5. 15
    6. 0.25
    1. 7213DF
    2. NTN
    3. 65
    4. 120
    5. 23
    6. 1.924
    1. 32219UDF
    2. NTN
    3. 95
    4. 170
    5. 91
    6. 8.85
    1. 7221DT
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.58
    1. 7321DF
    2. NTN
    3. 105
    4. 225
    5. 49
    6. 16.4
    1. 7234DF
    2. NTN
    3. 170
    4. 310
    5. 52
    6. 34
    1. 7208DF
    2. NTN
    3. 40
    4. 80
    5. 18
    6. 0.71
    1. 7921DF
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 1.944
    1. 7221DB
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.58
    1. 7218DF
    2. NTN
    3. 90
    4. 160
    5. 30
    6. 4.36
    1. 7200DF
    2. NTN
    3. 10
    4. 30
    5. 9
    6. 0.058
    1. 7221DF
    2. NACHI
    3. 105
    4. 190
    5. 36
    6. 3.93