7048-B-MP
Angular contact ball bearing
Angular contact ball bearing 70..-B-MP, single row, solid brass cage
Replaces
7048B.MP
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 240 mm | Bore diameter |
| D | 360 mm | Outside diameter |
| B | 56 mm | Width |
| Cr | 265,000 N | Basic dynamic load rating, radial |
| C0r | 415,000 N | Basic static load rating, radial |
| Cur | 12,500 N | Fatigue load limit, radial |
| nG | 2,700 1/min | Limiting speed |
| nϑr | 1,890 1/min | Reference speed |
| ≈m | 19.1 kg | Weight |
Mounting dimensions
| da min | 252.4 mm | Minimum diameter of shaft shoulder |
| Da max | 347.6 mm | Maximum diameter of housing shoulder |
| Db max | 354 mm | Maximum diameter of housing shoulder |
| ra max | 2.5 mm | Maximum fillet radius of shaft |
| ra1 max | 1 mm | Maximum fillet radius of housing |
Dimensions
| rmin | 3 mm | Minimum chamfer dimension |
| r1 min | 1.1 mm | Minimum chamfer dimension |
| D1 | 313.8 mm | Shoulder diameter on outer ring wide side face |
| d1 | 289.05 mm | Shoulder diameter on inner ring wide side face |
| a | 154 mm | Distance between the apexes of the pressure cones |
| α | 40 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Your current product variant
| Design variant | B | Design variant B |
| Sealing | Without | not sealed |
| Cage | MP | solid brass cage, ball guided |
| Tolerance class | PN | Normal (PN) |
| Lubricant | Without | Bearing not greased |
| Dimensional / heat stabilization | S1 | Rings dimensional stabilized up to 200° |
Characteristics
