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32011-XDY
Tapered roller bearing
Tapered roller bearings 320, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 55 mm | Bore diameter |
D | 90 mm | Outside diameter |
B | 23 mm | Width, inner ring |
C | 17.5 mm | Width, outer ring |
T | 23 mm | Width, total |
Cr | 78,000 N | Basic dynamic load rating, radial |
C0r | 114,000 N | Basic static load rating, radial |
Cur | 14,300 N | Fatigue load limit, radial |
nG | 7,700 1/min | Limiting speed |
nϑr | 4,700 1/min | Thermal speed rating |
≈m | 555 g | Weight |
Mounting dimensions
da max | 63 mm | Maximum diameter of shaft shoulder |
db min | 62 mm | Minimum diameter of shaft shoulder |
Da min | 81 mm | Minimum diameter of housing shoulder |
Da max | 83 mm | Maximum diameter of housing shoulder |
Db min | 86 mm | Minimum diameter of housing shoulder |
Ca min | 4 mm | Minimum axial space |
Cb min | 5.5 mm | Minimum axial space |
ra max | 1.5 mm | Maximum fillet radius of shaft |
rb max | 1.5 mm | Maximum fillet radius of housing |
Dimensions
r1, 2 min | 1.5 mm | Minimum chamfer dimension of inner ring back face |
r3, 4 min | 1.5 mm | Minimum chamfer dimension of outer ring back face |
a | 20 mm | Distance between the apexes of the pressure cones |
d1 | 74 mm | Guidance rib diameter of inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Calculation factors
e | 0.41 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1.48 | Dynamic axial load factor |
Y0 | 0.81 | Static axial load factor |
Additional information
T3CC055 | Comparative designation to ISO 10317 and ISO 355 |