| Items |
 2A-BST40X90-1BDFTP4 Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DFT Arrangement, Open Type, Two Rows Bear Axial Load |
BST17X47-1BDBT Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DBT Arrangement, Open Type, Two Rows Bear Axial Load |
BST17X47-1BDFT Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DFT Arrangement, Open Type, Two Rows Bear Axial Load |
BST17X47-1BDTT Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DTT Arrangement, Open Type, Three Rows Bear Axial Load |
 BST17X47-1BLXLDBT Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DBT Arrangement, Double Sealed, Two Rows Bear Axial Load |
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| Type | Ball Screw Support Bearing | |||||||||
| Bore Type | Round | |||||||||
| Material | High Carbon Chrome Steel | |||||||||
| Cage Type | Molded | |||||||||
| Cage Material | Resin | |||||||||
| Ball Material | ||||||||||
| d | 1.5748 in40.000 mm | 0.6693 in17.000 mm | 0.6693 in17.000 mm | 0.6693 in17.000 mm | 0.6693 in17.000 mm | |||||
| D | 3.5433 in90.000 mm | 1.8504 in47.000 mm | 1.8504 in47.000 mm | 1.8504 in47.000 mm | 1.8504 in47.000 mm | |||||
| B | 0.7874 in20.000 mm | 0.5906 in15.000 mm | 0.5906 in15.000 mm | 0.5906 in15.000 mm | 0.5906 in15.000 mm | |||||
| 3B | 2.3622 in60.000 mm | 1.7717 in45.000 mm | 1.7717 in45.000 mm | 1.7717 in45.000 mm | 1.7717 in45.000 mm | |||||
| d1 | 2.5512 in64.800 mm | 1.1772 in29.900 mm | 1.1772 in29.900 mm | 1.1772 in29.900 mm | 1.1772 in29.900 mm | |||||
| d2 | 2.3268 in59.100 mm | 1.0118 in25.700 mm | 1.0118 in25.700 mm | 1.0118 in25.700 mm | 1.0118 in25.700 mm | |||||
| D1 | 2.9606 in75.200 mm | 1.4606 in37.100 mm | 1.4606 in37.100 mm | 1.4606 in37.100 mm | 1.4606 in37.100 mm | |||||
| D2 | 3.2126 in81.600 mm | 1.6220 in41.200 mm | 1.6220 in41.200 mm | 1.6220 in41.200 mm | 1.6220 in41.200 mm | |||||
| r | 0.0394 in1.000 mm | |||||||||
| r1 | 0.0236 in0.600 mm | |||||||||
| Contact Angle | 60 º | |||||||||
| Seal Type | Light Contact | |||||||||
| Seal Material | Nitrile Rubber | |||||||||
| Precision | ISO Class 4 | |||||||||
| Configuration | Three | |||||||||
| Static Load Rating | 58500 lbf261000 N261.00 kN | 16900 lbf75000 N75.00 kN | 16900 lbf75000 N75.00 kN | 25400 lbf113000 N113.00 kN | 16900 lbf75000 N75.00 kN | |||||
| Dynamic Load Rating | 21400 lbf95000 N95.00 kN | 8900 lbf39500 N39.50 kN | 8900 lbf39500 N39.50 kN | 11800 lbf52500 N52.50 kN | 8900 lbf39500 N39.50 kN | |||||
| Enclosure | Open | Open | Open | Open | Double Sealed | |||||
| Weight | 8.347 lb3.786 kg | |||||||||
| Operating Temperature Range | -40 to 250 ºF-40 to 120 ºC | |||||||||
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