These double direction angular contact thrust ball bearings are well suited for screw drive applications, but are also beneficial in other applications, where reliable radial and axial support is required, together with extremely precise axial guidance of the shaft.The BEAM series bearings have an outer ring that is much thicker then with the BEAS series, and they are equipped with through holes for attachment bolts, which makes the mounting process simple.
| d |
50 mm
|
Bore diameter |
|---|---|---|
| D |
140 mm
|
Outside diameter |
| H |
54 mm
|
Height |
| d2 |
76.1 mm
|
Inner ring recess diameter |
| D2 |
97.1 mm
|
Outer ring recess diameter |
| H1 |
45 mm
|
Extraction groove position |
| r1,2 |
min. 0.6 mm
|
Chamfer radius |
| r3,4 |
min. 0.6 mm
|
Chamfer radius |
| a |
163 mm
|
Distance pressure points |
| J |
113 mm
|
Pitch diameter of holes for bolts |
| N |
11 mm
|
Through hole for attachment bolts |
| da |
min. 63 mm
|
Abutment diameter shaft |
|---|---|---|
| Da |
max. 98 mm
|
Abutment diameter housing |
| ra |
max. 0.6 mm
|
Fillet radius |
| Basic dynamic load rating | C |
122 kN
|
|---|---|---|
| Basic static load rating | C0 |
270 kN
|
| Fatigue load limit | Pu |
10 kN
|
| Attainable speed |
1 700 r/min
|
|
| Contact angle | α |
60 °
|
| Preload |
6 750 N
|
|
| Frictional moment |
2.6 N·m
|
|
| Axial stiffness for preload A (sets of two brgs back-to-back or face-to-face) |
1 480 N/µm
|
|
| Static moment stiffness |
1 530 N·m/mrad
|
| Mass bearing |
4.5 kg
|
| Required attachment bolt size (DIN 912) |
M10
|
|
| Number of attachment bolts |
12
|
|
| Angle between holes in outer ring (Pitch) | α |
30 °
|
| Angle between bolts and thread holes | α/2 |
15 °
|
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