SNL plummer (pillow) block housings in the 30, 31 and 32 series are robust and suitable for tough operating conditions. They enable the incorporated bearings to achieve maximum service life with less need for maintenance. Different housing variants and seal designs are available, making the use of tailored housings virtually unnecessary and enabling cost-effective bearing arrangements to be made
| Da |
720 mm
|
Diameter of bearing seat |
|---|---|---|
|
F7
|
Tolerance class of bearing seat diameter | |
| Ca |
226 mm
|
Width of bearing seat |
| H1 |
420 mm
|
Centre height of bearing seat |
| Db |
503 mm
|
Bore diameter |
|---|---|---|
| A |
460 mm
|
Overall width |
| A1 |
430 mm
|
Foot width |
| G1 |
1/8-27 NPSF
|
Thread of relubrication holes |
| H |
835 mm
|
Overall height |
| H2 |
135 mm
|
Foot height |
| L |
1 220 mm
|
Overall length |
| J |
1 030 mm
|
Distance between attachment bolts |
| J1 |
260 mm
|
Axial distance between attachment bolts |
| N |
60 mm
|
Length of attachment bolt hole (radial) |
| N1 |
48 mm
|
Width of attachment bolt hole |
| s |
35 mm
|
Offset of bearing axis |
| A3 |
388 mm
|
Inside width |
|---|---|---|
| A4 |
11 mm
|
Width of seal groove |
| A5 |
5.5 mm
|
Width of labyrinth stage |
| A6 |
22 mm
|
Width of labyrinth |
| A7 |
444 mm
|
Width between seal grooves |
| Dc |
518 mm
|
Diameter of seal groove |
| Dd |
527 mm
|
Diameter of seal groove |
| J6 |
1 120 mm
|
Distance between dowel pins |
|---|---|---|
| N4 |
35 mm
|
Diameter of dowel pins |
| P0° |
8 000 kN
|
Breaking load at 0° load angle |
|---|---|---|
| P55° |
10 000 kN
|
Breaking load at 55° load angle |
| P90° |
4 800 kN
|
Breaking load at 90° load angle |
| P120° |
3 600 kN
|
Breaking load at 120° load angle |
| P150° |
3 100 kN
|
Breaking load at 150° load angle |
| P180° |
4 000 kN
|
Breaking load at 180° load angle |
| Pa |
2 500 kN
|
Breaking load, axial |
| Q120° |
5 800 kN
|
Load to reach yield point at 120° load angle |
|---|---|---|
| Q150° |
3 350 kN
|
Load to reach yield point at 150° load angle |
| Q180° |
2 900 kN
|
Load to reach yield point at 180° load angle |
| Housing material |
Cast iron
|
| Corrosion protection |
Paint – in accordance with ISO 12944-2, corrosivity category C2
|
| Mass |
751 kg
|
| Recommended diameter of attachment bolts | G |
42 mm
|
|---|---|---|
| Recommended tightening torque for attachment bolts |
3 640 N·m
|
|
| Size of cap bolts |
M42x280
|
|
| Tightening torque for cap bolts |
850 N·m
|
|
| Size of eye bolt |
M42
|
|
| Initial grease fill, 20% |
11.5 kg
|
|
| Initial grease fill, 40% |
20 kg
|
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