Select a different country or region to see content for your location.
United States
02:49:16 GMT+0000 (Coordinated Universal Time)
K387-A-382-A
Tapered roller bearing
Tapered roller bearings K-Series, in inch sizes, separable, adjusted or in pairs
Replaces
K387A.382A
Main Dimensions & Performance Data
| d | 57.15 mm | Bore diameter |
| D | 96.838 mm | Outside diameter |
| B | 21.946 mm | Width, inner ring |
| C | 15.875 mm | Width, outer ring |
| T | 21 mm | Width, total |
| Cr | 76,000 N | Basic dynamic load rating, radial |
| C0r | 95,000 N | Basic static load rating, radial |
| Cur | 11,500 N | Fatigue load limit, radial |
| nG | 7,500 1/min | Limiting speed |
| nϑr | 4,500 1/min | Thermal speed rating |
| ≈m | 0.59 kg | Weight |
Mounting dimensions
| da max | 62 mm | Maximum diameter of shaft shoulder |
| db min | 69 mm | Minimum diameter of shaft shoulder |
| Da min | 89 mm | Minimum diameter of housing shoulder |
| Db min | 92 mm | Minimum diameter of housing shoulder |
| Ca min | 4 mm | Minimum axial space |
| Cb min | 5 mm | Minimum axial space |
| ra max | 3.6 mm | Maximum fillet radius of shaft |
| rb max | 0.8 mm | Maximum fillet radius of housing |
Dimensions
| r1, 2 min | 3.6 mm | Minimum chamfer dimension of inner ring back face |
| r3, 4 min | 0.8 mm | Minimum chamfer dimension of outer ring back face |
| a | 19 mm | Distance between the apexes of the pressure cones |
| d1 | 76.6 mm | Guidance rib diameter of inner ring |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Calculation factors
| e | 0.35 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
| Y | 1.69 | Dynamic axial load factor |
| Y0 | 0.93 | Static axial load factor |
Your current product variant
| Tolerance class | ABMA4 | Class 4 (ANSI/ABMA 19.2:2013) |
| 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
All
English
2017-08-15 | Katalog | MH1 Dismounting Hydraulic | Englisch
Dismounting of rolling bearings - Hydraulic dismounting
2017-08-15 | Katalog | MH1 Dismounting Mechanical | Englisch
Dismounting of rolling bearings - Mechanical dismounting
2017-09-15 | Katalog | MH1 Thermal mounting | Englisch
Mounting of rolling bearing - Thermal mounting
2017-08-15 | Katalog | MH1 Mounting Mechanical | Englisch
Mounting of rolling bearings - Mechanical mounting
2017-09-15 | Katalog | MH1 Mounting angular contact | Englisch
Mounting of rolling bearings -Mounting of angular contact ball bearings and tapered roller bearings
2017-09-15 | Katalog | MH1 Services | Englisch
Services
2017-09-15 | Katalog | MH1 Tables | Englisch
Tables
2017-09-15 | Katalog | MH1 Technical principles | Englisch
Technical principles
Recently viewed products
Wait to see recently viewed products