Pillow (plummer) block bearing units consisting of an insert bearing mounted in a composite or cast metal housing that can be bolted to a support surface. In addition to being part of a unit, some pillow block housings for insert bearings are available as separate components. The SKF assortment includes units that are compliant with several industrial standards and meet many requirements.
|
Order adapter sleeve separately
|
||
| Compliance with standard |
JIS
|
|
| Purpose specific |
For material handling applications
|
|
| Material, housing |
Cast iron
|
|
| Sealing, bearing |
Seal and flinger on both sides
|
|
| Sealing type, bearing |
Contact, standard
|
|
| Sealing, unit |
Without
|
|
| Coating |
Without
|
|
| d |
20 mm
|
Bore diameter |
|---|---|---|
| d1 |
≈ 33.74 mm
|
Shoulder diameter of inner ring |
| d3 |
38 mm
|
Outside diameter of lock nut |
| A |
38 mm
|
Base width |
| A1 |
23 mm
|
Top width |
| B |
24 mm
|
Width of inner ring |
| B1 |
24 mm
|
Overall bearing width |
| B1 |
35 mm
|
Width of sleeve |
| H |
36.5 mm
|
Height of spherical seat centre |
| H1 |
16 mm
|
Foot height |
| H2 |
70.5 mm
|
Overall height |
| J |
105 mm
|
Distance between attachment bolts |
| J |
max. 110 mm
|
Distance between attachment bolts |
| J |
min. 100 mm
|
Distance between attachment bolts |
| L |
139.5 mm
|
Overall length |
| N |
13 mm
|
Diameter of attachment bolt hole |
| N1 |
18 mm
|
Length of attachment bolt hole |
| s1 |
20.25 mm
|
Distance from locking device side face to raceway centre |
|
Value specified for s1 is approximate and before the sleeve is driven into the bearing bore (sleeve and inner ring bore at starting position).
|
||
| RG |
1/4-28 UNF
|
Housing thread for the grease fitting |
|---|---|---|
| R1 |
1.5 mm
|
Axial position of the housing thread |
| Rα |
45 °
|
Angular position of the housing thread |
| DN |
6.6 mm
|
Diameter of head sphere of grease fitting |
|---|---|---|
| SWN |
7.94 mm
|
Hexagonal key size for the grease fitting |
| GN |
1/4-28 UNF
|
Thread of grease fitting |
| Basic dynamic load rating | C |
14 kN
|
|---|---|---|
| Basic static load rating | C0 |
7.8 kN
|
| Fatigue load limit | Pu |
0.335 kN
|
| Limiting speed |
5 850 r/min
|
| Mass bearing unit |
0.72 kg
|
| Associated spanner |
HN 5
|
|
| Recommended lock nut tightening angle | α |
90 °
|
| Recommended diameter for attachment bolts, mm | G |
10 mm
|
| Recommended diameter for attachment bolts, inch | G |
0.375 in
|
Reviews
There are no reviews yet.