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K1988-1922
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Replaces
K1988.1922
Main Dimensions & Performance Data
| d | 28.575 mm | Bore diameter |
| D | 57.15 mm | Outside diameter |
| B | 19.355 mm | Width, inner ring |
| C | 15.875 mm | Width, outer ring |
| T | 19.845 mm | Width, total |
| Cr | 48,000 N | Basic dynamic load rating, radial |
| C0r | 55,000 N | Basic static load rating, radial |
| Cur | 6,600 N | Fatigue load limit, radial |
| nG | 13,100 1/min | Limiting speed |
| nϑr | 8,400 1/min | Thermal speed rating |
| ≈m | 0.267 kg | Weight |
Mounting dimensions
| da max | 33.5 mm | Maximum diameter of shaft shoulder |
| db min | 39.5 mm | Minimum diameter of shaft shoulder |
| Da min | 51 mm | Minimum diameter of housing shoulder |
| Db min | 53.5 mm | Minimum diameter of housing shoulder |
| Ca min | 3 mm | Minimum axial space |
| Cb min | 3.5 mm | Minimum axial space |
| ra max | 3.6 mm | Maximum fillet radius of shaft |
| rb max | 1.5 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 3.6 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 1.5 mm | Minimum chamfer dimension of outer ring back face |
| a | 14 mm | Distance between the apexes of the pressure cones |
| d1 | 43 mm | Guidance rib diameter of inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.33 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1.82 | Dynamic axial load factor |
| Y0 | 1 | Static axial load factor |
Operating conditions for bearing K1988-1922
In work for K1988-1922
CO₂e caused by friction during operation
Comprehensive information with immediate calculations of the CO2e emissions of our rotative products in various application scenarios.
Load
*MandatoryMotion Influences
*Mandatory Preset calculation parameters
Arcanol MULTI2
Greasenormal cleanliness
Contamination70°C
Operating Temperature20°C
Ambient Temperature Choose your calculations
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CO₂e emissions
For Production info_outline
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Rating life
Total Rating Life (Lh10)
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Static safety (S0)
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