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R32024-X
Tapered roller bearing
Tapered roller bearings without outer ring (Cone) 320, main dimensions to DIN ISO 355 / DIN 720
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 120 mm | Bore diameter |
B | 38 mm | Width, inner ring |
Cr | 250.000 N | Basic dynamic load rating, radial |
C0r | 420.000 N | Basic static load rating, radial |
Cur | 48.500 N | Fatigue load limit, radial |
nG | 3.700 1/min | Limiting speed |
nϑr | 2.490 1/min | Thermal speed rating |
≈m | 2,31 kg | Weight |
Mounting dimensions
da max | 131 mm | Maximum diameter of shaft shoulder |
db min | 130 mm | Minimum diameter of shaft shoulder |
CRa min | 7 mm | Minimum axial space |
ra max | 2,5 mm | Maximum fillet radius of shaft |
Dimensions
r1, 2 min | 2,5 mm | Minimum chamfer dimension of inner ring back face |
a | 40 mm | Distance between the apexes of the pressure cones |
d1 | 151 mm | Guidance rib diameter of inner ring |
T1 | 38 mm | Width, total of inner subunit assembled with a master outer ring |
E | 155,239 mm | Inside diameter of outer ring back face |
α | 17 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0,46 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,31 | Dynamic axial load factor |
Y0 | 0,72 | Static axial load factor |
Additional information
T4DC120 | Comparative designation to ISO 10317 and ISO 355 |
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Tolerance class | P6X | Class 6X (ISO 492:2014) |
Heat treatment | Standard | |
Cage | Standard | Sheet steel cage, window cage, roller-guided |
Quality level | Standard | |
Number of rolling element rows | 1 | Single-row design |
Characteristics