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19:28:09 GMT+0000 (Coordinated Universal Time)
K28995-XL-W215FB
Tapered roller bearing
Tapered roller bearings without outer ring (Cone) K-Series, in inch sizes
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 62,738 mm | Bore diameter |
B | 25,4 mm | Width, inner ring |
Cr | 108.000 N | Basic dynamic load rating, radial |
C0r | 135.000 N | Basic static load rating, radial |
Cur | 21.900 N | Fatigue load limit, radial |
nG | 8.400 1/min | Limiting speed |
nϑr | 4.450 1/min | Thermal speed rating |
≈m | 489,03 g | Weight |
Mounting dimensions
da max | 69 mm | Maximum diameter of shaft shoulder |
db min | 75 mm | Minimum diameter of shaft shoulder |
CRa min | 3 mm | Minimum axial space |
ra max | 3,6 mm | Maximum fillet radius of shaft |
Dimensions
r1, 2 min | 3,6 mm | Minimum chamfer dimension of inner ring back face |
a | 23 mm | Distance between the apexes of the pressure cones |
d1 | 82,6 mm | Guidance rib diameter of inner ring |
T1 | 25,4 mm | Width, total of inner subunit assembled with a master outer ring |
E | 84,01 mm | Inside diameter of outer ring back face |
α | 15,83333 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |
Calculation factors
e | 0,43 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y | 1,41 | Dynamic axial load factor |
Y0 | 0,78 | Static axial load factor |
Downloads:
Your current product variant
Tolerance class | ABMA4 | Class 4 (ANSI/ABMA 19.2:2013) |
Heat treatment | W215FB | Bainitic hardened |
Cage | Standard | Sheet steel cage, window cage, roller-guided |
Quality level | XL | X-life |
Number of rolling element rows | 1 | Single-row design |
Characteristics