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NTN 7921DT Bearing

Bearing 7921DT NTN , NTN bearing

Dimensional Specifications

  • Bore type NTN Bearing
  • Cage material Steel
  • Precision class Class normal (P0)(P6)
  • Old Model 7921DT
  • Operating Temperature Range -40 to 250 ºF

Connecting Size

Size mating parts (da min.)
112
Size mating parts (Da max.)
138
Size mating parts (ra max.)
1
Size mating parts (ra1 max.)
0.6
Size mating parts (db min.)
112
Size mating parts (Db max.)
140.5

Overall dimension

External diameter
145 mm
Internal diameter
105 mm
B Width
20 mm
Weight
1.944 Kg

Size Geometric characteristics

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

Load and resources

Dynamic load capacity
79 кН
C0 Static load capacity
109 кН
Cr Radial dynamic load
79 кН
Maximum speed with grease lubrication
3 500 об/мин
WoilЧастота вращения предельная при жидкой смазке
4 700 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
2
Расстояние до действительного центра опоры (a)
46 mm
Size
105x145x20
Size (2B)
40 mm

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7938DT
    2. NTN
    3. 190
    4. 260
    5. 33
    6. 10.2
    1. 7907DT
    2. NTN
    3. 35
    4. 55
    5. 10
    6. 0.176
    1. 7913DT
    2. NTN
    3. 65
    4. 90
    5. 13
    6. 0.49
    1. 7905DT
    2. NTN
    3. 25
    4. 42
    5. 9
    6. 0.1
    1. 7932DT
    2. NTN
    3. 160
    4. 220
    5. 28
    6. 6.26
    1. 7921DF
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 1.944
    1. 7919DT
    2. NTN
    3. 95
    4. 130
    5. 18
    6. 1.376
    1. 7914DT
    2. NTN
    3. 70
    4. 100
    5. 16
    6. 0.794
    1. 7915DT
    2. NTN
    3. 75
    4. 105
    5. 16
    6. 0.84
    1. 7916DT
    2. NTN
    3. 80
    4. 110
    5. 16
    6. 0.888
    1. 7921
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 0.972
    1. 7221DT
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.58
    1. 7921DB
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 1.944
    1. 7021DT
    2. NTN
    3. 105
    4. 160
    5. 26
    6. 3.72
    1. 7918DT
    2. NTN
    3. 90
    4. 125
    5. 18
    6. 1.316
    1. 7906DT
    2. NTN
    3. 30
    4. 47
    5. 9
    6. 0.116
    1. 7940DT
    2. NTN
    3. 200
    4. 280
    5. 38
    6. 14.3
    1. 7948DT
    2. NTN
    3. 240
    4. 320
    5. 38
    6. 16.68
    1. 7928DT
    2. NTN
    3. 140
    4. 190
    5. 24
    6. 3.88
    1. 7934DT
    2. NTN
    3. 170
    4. 230
    5. 28
    6. 6.58
    1. 7921CDB/GLP4
    2. NTN
    3. 105
    4. 145
    5. 40
    6. 1.68
    1. 7917DT
    2. NTN
    3. 85
    4. 120
    5. 18
    6. 1.256
    1. 7908DT
    2. NTN
    3. 40
    4. 62
    5. 12
    6. 0.26
    1. 7956DT
    2. NTN
    3. 280
    4. 380
    5. 46
    6. 29.6
    1. 7921UADG/GNP42
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 0.84
    1. 7911DT
    2. NTN
    3. 55
    4. 80
    5. 13
    6. 0.428
    1. 7930DT
    2. NTN
    3. 150
    4. 210
    5. 28
    6. 5.92
    1. 7926DT
    2. NTN
    3. 130
    4. 180
    5. 24
    6. 3.64
    1. 7924DT
    2. NTN
    3. 120
    4. 165
    5. 22
    6. 3.32
    1. 7952DT
    2. NTN
    3. 260
    4. 360
    5. 46
    6. 28