SNL plummer (pillow) block housings are the most popular SKF bearing housings on the market, developed to be the first choice for design, quality and economy. 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 |
170 mm
|
Diameter of bearing seat |
|---|---|---|
|
G7
|
Tolerance class of bearing seat diameter | |
| Ca |
68 mm
|
Width of bearing seat |
| H1 |
112 mm
|
Centre height of bearing seat |
| Db |
131 mm
|
Bore diameter |
|---|---|---|
| A |
148 mm
|
Overall width |
| A1 |
100 mm
|
Foot width |
| G1 |
1/8-27 NPSF
|
Thread of relubrication holes |
| H |
210 mm
|
Overall height |
| H2 |
35 mm
|
Foot height |
| L |
345 mm
|
Overall length |
| J |
290 mm
|
Distance between attachment bolts |
| N |
28 mm
|
Length of attachment bolt hole |
| N1 |
22 mm
|
Width of attachment bolt hole |
| A3 |
116 mm
|
Inside width between seal grooves |
|---|---|---|
| A4 |
6 mm
|
Width of seal groove |
| A5 |
10 mm
|
Distance to seal groove back face |
| A6 |
14 mm
|
Width at bore diameter |
| Dc |
141 mm
|
Diameter of seal groove |
| J6 |
317 mm
|
Distance between dowel pins |
|---|---|---|
| J7 |
35 mm
|
Axial offset of dowel pins |
| N4 |
max. 8 mm
|
Diameter of dowel pins |
| P0° |
810 kN
|
Breaking load at 0° load angle |
|---|---|---|
| P55° |
1 044 kN
|
Breaking load at 55° load angle |
| P90° |
630 kN
|
Breaking load at 90° load angle |
| P120° |
468 kN
|
Breaking load at 120° load angle |
| P150° |
414 kN
|
Breaking load at 150° load angle |
| P180° |
522 kN
|
Breaking load at 180° load angle |
| Pa |
342 kN
|
Breaking load, axial |
| Q120° |
560 kN
|
Load to reach yield point at 120° load angle |
|---|---|---|
| Q150° |
322 kN
|
Load to reach yield point at 150° load angle |
| Q180° |
280 kN
|
Load to reach yield point at 180° load angle |
| Housing material |
Spheroidal graphite cast iron
|
| Corrosion protection |
Paint – in accordance with ISO 12944-2, corrosivity category C2
|
| Mass housing |
14.5 kg
|
| Recommended diameter of attachment bolts | G |
20 mm
|
|---|---|---|
| Recommended tightening torque for attachment bolts |
385 N·m
|
|
| Size of cap bolts |
M16x90
|
|
| Tightening torque for cap bolts |
150 N·m
|
|
| Initial grease fill, 20% |
300 g
|
|
| Initial grease fill, 40% |
480 g
|
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