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07:34:29 GMT+0000 (Coordinated Universal Time)


23960-B-K-MB-C2
Spherical Roller Bearing
Spherical roller bearings 239..-K, main dimensions to DIN 635-2, with tapered bore, taper 1:12
Product information


Metric
Imperial
Main Dimensions & Performance Data
d | 300 mm | Bore diameter |
D | 420 mm | Outside diameter |
B | 90 mm | Width |
Cr | 1.270.000 N | Basic dynamic load rating, radial |
C0r | 2.650.000 N | Basic static load rating, radial |
Cur | 170.000 N | Fatigue load limit, radial |
nG | 1.780 1/min | Limiting speed |
nϑr | 1.000 1/min | Reference speed |
≈m | 37,85 kg | Weight |
Mounting dimensions
da min | 312,4 mm | Minimum diameter shaft shoulder |
Da max | 407,6 mm | Maximum diameter of housing shoulder |
ra max | 2,5 mm | Maximum recess radius |
da max | 329 mm | Maximum diameter of shaft shoulder |
db min | 311 mm | Minimum cavity diameter of the sleeve |
Ba min | 12 mm | Minimum cavity width of the sleeve |
Dimensions
rmin | 3 mm | Minimum chamfer dimension |
D1 | 384,6 mm | Bore diameter outer ring |
ds | 9,5 mm | Diameter lubrication hole |
ns | 17,7 mm | Width of lubricating groove |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,2 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 3,42 | Dynamic axial load factor |
Y2 | 5,09 | Dynamic axial load factor |
Y0 | 3,34 | Static axial load factor |
Additional information
H3960 | Adapter sleeve | |
AH3960G | Withdrawal sleeve |
Downloads:
Your current product variant
Design | B | with fixed central rib |
Bore type | K | Tapered, taper 1:12 |
Cage | MB | Solid brass cage |
Radial internal clearance | C2 (Group 2) | Internal clearance smaller than CN |
Relubrication feature | Standard |
Characteristics