Detailed description

| Part Number | BSF40115DDUHP2B |
| Bearing Type | Double-Row Angular Contact Super Precision Thrust Ball Bearings, BSF Type Single for Ball Screw Support |
| Internal design | F = Flange type |
| Type | BS = BSBD Series |
| Preload | H = Heavy preload |
| Bearing Mass - m [lb] | 5.6438 |
| Pitch Diameter of Holes for Bolts - J [inch] | 3.7008 |
| Extraction groove position - I [inch] | 1.4173 |
| Extraction groove position - b [inch] | 0.1181 |
| Number of bolts x Pitch - t (mm) | 12 x 30 ° |
| Bolt type | Ⅱ |
| Bolt Dia. | M8 |
| Number of Bolts | 12 |
| Starting Torque - H | 1.02 N・m |
| Recommended Clamping Force - T [lbf] | 4134 |
| Dynamic Axial - Ca [lbf] | 17591 |
| Static Axial - C0a [lbf] | 30291 |
| Limiting static axial load [lbf] | 20373 |
| Speed ratings (grease) - nB | 3078 min–1 |
| Preload [lbf] | 1623 |
| Axial Rigidity | 1187 N/µm |
| Dimension | |
| d φ Inside [inch] | 1.5748 |
| D Φ Outside [inch] | 4.5276 |
| B Width [inch] | 1.8110 |
| r min Chamfer [inch] | 0.0236 |
| r1 min Chamfer [inch] | 0.0236 |
| d1 Shoulder [inch] | 2.4842 |
| d2 Shoulder [inch] | 0.3465 |
| D1 Shoulder/Recess [inch] | 3.1535 |















