Technical Parameters
Description
Technical Parameters
Size
| d | 75 mm | Aperture |
|---|---|---|
| tΔdmp | -0.012 – 0 mm | Mid-range bore diameter deviation limits |
| D | 115 mm | Outer diameter |
| tΔDmp | -0.013 – 0 mm | Deviation limits of mid-range outside diameter |
| B | 20 mm | Width |
| tΔBs | -0.1 – 0 mm | Deviation limits of ring width |
| d1 | ≈87.85 mm | Flange diameter |
| D2 | ≈104.9 mm | 槽 diameter |
| r1,2 | min.1.1 mm | Chamfer size |
P6 and tighter width tolerance | ISO tolerance class for dimensions |
Shoulder width
| da | min.81 mm | Shoulder diameter of the shaft stop |
|---|---|---|
| Da | max.109 mm | Bearing housing shoulder diameter |
| read | max.1 mm | Shaft or bearing housing fillet radius |
Data calculation
| SKF Performance Grades | SKF Explorer | |
| Basic rated dynamic load | C | 41.6 kN |
| Basic rated static load | C0 | 33.5 kN |
| Fatigue load limit | Pu | 1.43 kN |
| Reference speed | 12 000 rpm | |
| Extreme rotation speed | 7 500 rpm | |
| Minimum load factor | kr | 0.025 |
| Calculate the coefficient | f0 | 15.8 |
Run-out tolerances
| Range of section height at inner ring of assembled bearing | tKia | 20 µm |
|---|---|---|
| Range of section height at outer ring of assembled bearing | tKea | 35 µm |
| ISO tolerance class for geometrical tolerances | Normal |
Tolerance and clearance
Tolerance and play
Bearing parameters
Tolerance：Standard (metric)、P6、P5、Standard (imperial)
Radial internal clearance： Group C2 to C5
Bearing fit
Tolerance of shaft position for standard condition
Tolerance and fit
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Products Description
Deep groove ball bearings are one of the most common and widely used rolling bearings, widely used in various mechanical equipment due to their simple structure, strong load-bearing capacity, low friction coefficient, high speed, and easy maintenance.
