3811-2RS
Angular contact ball bearing
Angular contact ball bearing 38..-B-2RS-TVH, double row, seals, plastic cage
Replaces
3811 2RS
Description
Metric
Imperial
Main Dimensions & Performance Data
| d | 55 mm | Bore diameter |
| D | 72 mm | Outside diameter |
| B | 13 mm | Width |
| Cr | 10,700 N | Basic dynamic load rating, radial |
| C0r | 13,100 N | Basic static load rating, radial |
| Cur | 760 N | Fatigue load limit, radial |
| nG | 4,300 1/min | Limiting speed |
| ≈m | 0.134 kg | Weight |
Mounting dimensions
| da min | 57 mm | Minimum diameter shaft shoulder |
| Da max | 70 mm | Maximum diameter of housing shoulder |
| ra max | 0.3 mm | Maximum fillet radius |
Dimensions
| rmin | 0.3 mm | Minimum chamfer dimension |
| D2 | 69.1 mm | Caliber diameter outer ring |
| d2 | 61.4 mm | Caliber diamter inner ring |
| a | 34.9 mm | Distance between the apexes of the pressure cones |
| α | 25 ° | Contact angle |
Temperature range
| Tmin | -20 °C | Operating temperature min. |
| Tmax | 100 °C | Operating temperature max. |
Your current product variant
| Lubricant | GA13 | Ball bearing and insert bearing grease, standard for D>62mm |
| Sealing | 2RS | Contact seal on both sides |
| Cage | TVH | solid cage made of glass-fiber reinforced polyamid PA66 |
| Tolerance class | PN | Normal (PN) |
| Axial internal clearance | CN | Group N (CN) |
| Dimensional / heat stabilization | SN | Rings dimensional stabilized up to 120° |
| Design variant | B | Design variant B |
Characteristics
