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.
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Order adapter sleeve separately
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| Compliance with standard |
JIS
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| Purpose specific |
For material handling applications
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| Material, housing |
Cast iron
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| Sealing, bearing |
Seal and flinger on both sides
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| Sealing type, bearing |
Contact, standard
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| Sealing, unit |
Without
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| Coating |
Without
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| d |
60 mm
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Bore diameter |
|---|---|---|
| d1 |
≈ 82.5 mm
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Shoulder diameter of inner ring |
| d3 |
85 mm
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Outside diameter of lock nut |
| A |
72 mm
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Base width |
| A1 |
35 mm
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Top width |
| B |
43.5 mm
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Width of inner ring |
| B1 |
43.4 mm
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Overall bearing width |
| B1 |
65 mm
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Width of sleeve |
| H |
76.2 mm
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Height of spherical seat centre |
| H1 |
25.5 mm
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Foot height |
| H2 |
153.5 mm
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Overall height |
| J |
203 mm
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Distance between attachment bolts |
| J |
max. 208 mm
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Distance between attachment bolts |
| J |
min. 198 mm
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Distance between attachment bolts |
| L |
265 mm
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Overall length |
| N |
25 mm
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Diameter of attachment bolt hole |
| N1 |
30 mm
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Length of attachment bolt hole |
| s1 |
35.2 mm
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Distance from locking device side face to raceway centre |
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Value specified for s1 is approximate and before the sleeve is driven into the bearing bore (sleeve and inner ring bore at starting position).
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| RG |
1/8-27 NPT
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Housing thread for the grease fitting |
|---|---|---|
| R1 |
4.5 mm
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Axial position of the housing thread |
| Rα |
45 °
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Angular position of the housing thread |
| DN |
6.589 mm
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Diameter of head sphere of grease fitting |
|---|---|---|
| SWN |
11.11 mm
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Hexagonal key size for the grease fitting |
| GN |
1/8-27 NPT
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Thread of grease fitting |
| Basic dynamic load rating | C |
57.2 kN
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|---|---|---|
| Basic static load rating | C0 |
40 kN
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| Fatigue load limit | Pu |
1.7 kN
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| Limiting speed |
2 350 r/min
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| Mass bearing unit |
5.8 kg
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| Associated spanner |
HN 13
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| Recommended lock nut tightening angle | α |
100 °
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| Recommended diameter for attachment bolts, mm | G |
20 mm
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| Recommended diameter for attachment bolts, inch | G |
0.75 in
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