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United States
17:14:18 GMT+0000 (Coordinated Universal Time)
SX011840-A
Crossed roller bearing
Crossed roller bearingsdimension series 18 to DIN 616
Preferred product
Product information
Metric
Imperial
Main Dimensions & Performance Data
| d1 | 200 mm | Bore Diameter |
0,004 mm | Bore diameter upper tolerance | |
-0,024 mm | Bore diameter lower tolerance | |
| Da | 250 mm | Outside Diameter |
0 mm | Outside diameter upper tolerance | |
-0,029 mm | Outside diameter lower tolerance | |
| H | 24 mm | Height of the assembled bearing |
| hi | 24 mm | Heigth inner ring |
0,1 mm | Width upper tolerance | |
-0,1 mm | Width lower tolerance | |
| ≈m | 2,957 kg | Weight |
Dimensions
| Di | 225,8 mm | Inner diameter outer ring |
| DM | 225 mm | Rolling element pitch circle diameter |
| da | 224,2 mm | Outer diameter inner ring |
| h | 24 mm | Height of individual ring |
0 mm | Height of individual ring upper tolerance | |
-0,025 mm | Height of individual ring lower tolerance | |
| rmin | 1,5 mm | Chamfer dimension |
| S | 2 mm | Diameter of lubrication hole |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 80 °C | Operating temperature max. |
Calculation factors
0,015 mm | Running accuracy, radial | |
0,01 mm | Running accuracy, axial | |
| Sr min | 0,005 mm | Minimum radial bearing clearance, at standard bearing clearance |
| Sr max | 0,025 mm | Maximum radial bearing clearance, at standard bearing clearance |
| Sk min | 0,01 mm | Minimum axial tilting clearance, at standard bearing clearance |
| Sk max | 0,05 mm | Maximum axial tilting clearance, at standard bearing clearance |
| RLOmax | 0,005 mm | Low clearance: Radial clearance |
| RLOmax | 0,01 mm | Low clearance: Preload |
| VSPmin | 0,005 mm | Minimum bearing preload |
| VSPmax | 0,025 mm | Maximum bearing preload |
| Ca | 104.000 N | Basic dynamic load rating, axial |
| C0a | 400.000 N | Basic static load rating, axial |
| Cr | 74.000 N | Basic dynamic load rating, radial (for radial load only) |
| C0r | 197.000 N | Basic static load rating, radial (for radial load only) |
| NG oil | 680 1/min | Limiting speed for oil lubrication with normal clearance |
| NG Grease | 340 1/min | Limiting speed for grease lubrication with normal clearance |
| NG oil | 340 1/min | Limiting speed for oil lubrication with preload |
| NG Grease | 170 1/min | Limiting speed for grease lubrication with preload |
61840 | Dimensions identical to ISO dimension series 18 |
Downloads:
Characteristics
