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NTN 7921 Bearing

Bearing 7921 NTN , NTN bearing

Dimensional Specifications

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

Connecting Size

Size mating parts (da min.)
112
Size mating parts (ra max.)
1
Size mating parts (db min.)
112

Overall dimension

External diameter
145 mm
Internal diameter
105 mm
B Width
20 mm
Weight
0.972 Kg
Outer ring width
20 mm

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
48.5 кН
C0 Static load capacity
54.5 кН
Cr Radial dynamic load
48.5 кН
Maximum speed with grease lubrication
4 400 об/мин
WoilЧастота вращения предельная при жидкой смазке
5 900 об/мин

Protect

Seal Up
Нет

Other

Number of rolling tracks
1
Расстояние до действительного центра опоры (a)
46 mm
Size
105x145x20

HOT BEARING PRICES

    1. MODEL
    2. BRAND
    3. IDD
    4. OD
    5. WIDTH
    6. Weight
    1. 7921DB
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 1.944
    1. 7921CDB/GLP4
    2. NTN
    3. 105
    4. 145
    5. 40
    6. 1.68
    1. 7921
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 0.972
    1. 7921DT
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 1.944
    1. 7921DF
    2. NTN
    3. 105
    4. 145
    5. 20
    6. 1.944
    1. 7911UCG/GLP4
    2. NTN
    3. 55
    4. 80
    5. 13
    6. 0.18
    1. N2212E
    2. NTN
    3. 60.000
    4. 110.000
    5. 28.000
    6. 1.04
    1. TU0821-2LXL/L669
    2. NTN
    3. 41
    4. 85
    5. 50
    1. 7221DT
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 7.58
    1. 21313K
    2. NTN
    3. 65
    4. 140
    5. 33
    6. 2.51
    1. 5S-7213UCG/GNP42
    2. NTN
    3. 65
    4. 120
    5. 23
    6. 0.95
    1. 7976
    2. NTN
    3. 380.000
    4. 520.000
    5. 65.000
    6. 39.60
    1. 7932DF
    2. NTN
    3. 160
    4. 220
    5. 28
    6. 6.26
    1. 7944DF
    2. NTN
    3. 220
    4. 300
    5. 38
    6. 15.48
    1. 7912UG/GMP42
    2. NTN
    3. 60
    4. 85
    5. 13
    6. 0.19
    1. 7907DB
    2. NTN
    3. 35
    4. 55
    5. 10
    6. 0.176
    1. N221
    2. NTN
    3. 105
    4. 190
    5. 36
    6. 3.87
    1. 7907UADG/GNP42
    2. NTN
    3. 35
    4. 55
    5. 10
    6. 0.07
    1. 7919
    2. NTN
    3. 95
    4. 130
    5. 18
    6. 0.688
    1. 21075/21212
    2. CX
    3. 19.05
    4. 53.975
    5. 22.225
    6. 0.24
    1. 7956DT
    2. NTN
    3. 280
    4. 380
    5. 46
    6. 29.6
    1. 7919DT
    2. NTN
    3. 95
    4. 130
    5. 18
    6. 1.376
    1. 7918UCG/GNP4
    2. NTN
    3. 90
    4. 125
    5. 18
    6. 0.56
    1. 7934CT1B/GNP42
    2. NTN
    3. 170
    4. 230
    5. 28
    6. 2.89
    1. 7909
    2. NTN
    3. 45
    4. 68
    5. 12
    6. 0.15
    1. 5S-7212UCG/GNP42
    2. NTN
    3. 60
    4. 110
    5. 22
    6. 0.76
    1. 7922
    2. NTN
    3. 110
    4. 150
    5. 20
    6. 1.01
    1. 7920
    2. NTN
    3. 100
    4. 140
    5. 20
    6. 0.934
    1. N
    2. SKF
    3. 105
    4. 160
    5. 26
    6. 1.65
    1. 7916DB
    2. NTN
    3. 80
    4. 110
    5. 16
    6. 0.888