SY 508 M

Pillow block housing for insert bearings, cast iron, ISO standards

Pillow (plummer) block housings are designed to accommodate an insert bearing.

The cast iron housings are strong, stiff and cost-effective. They are suitable for most applications and can be bolted directly to a support surface.

  • Accommodate heavy loads in different directions
  • High degree of stiffness
  • Narrow design

Dimensions

Da
80 mm
 Diameter of spherical seat
A
48 mm
 Base width
A1
30 mm
 Top width
A5
26 mm
 Standout of end cover
H
49.2 mm
 Height of spherical seat centre
H1
19 mm
 Foot height
H2
99 mm
 Overall height
J
135.5 mm
 Distance between attachment bolts
J
max.146 mm
 Distance between attachment bolts
J
min.125 mm
 Distance between attachment bolts
L
175 mm
 Overall length
N
14 mm
 Width of attachment bolt hole
N1
24.5 mm
 Length of attachment bolt hole
Threaded hole
RG
1/4-28 UNF
 Housing thread for the grease fitting
R1
3.5 mm
 Axial position of the housing thread
Rα
45 °
 Angular position of the housing thread
Grease fitting
DN
6.5 mm
 Diameter of head sphere of grease fitting
SWN
7 mm
 Hexagonal key size for the grease fitting
GN
1/4-28 SAE-LT
 Thread of the grease fitting
Dowel pins
J6
161 mm
 Distance between dowel pins
J7
17 mm
 Axial offset of dowel pins
N4
4 mm
 Recommended diameter for dowel pins

Mounting information

Recommended diameter for attachment bolts, mm G
12 mm
Recommended diameter for attachment bolts, inch G
0.5 in

Associated products

End cover ECY 208
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SKU: SY 508 M-SKF Categories: ,
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Description

Properties

Housing type Pillow block
Number of bolt holes for fasteners 2
Fastening bolt hole type Plain
Material, housing Cast iron
Coating Without
Relubrication hole With
Grease fitting With

Logistics

Product net weight 1.23 kg
eClass code 23-05-08-02
UNSPSC code 31171536

(SY508M)

Additional information

Weight 1.23 kg
Size (mm)

Colour

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