FSAF 520

Split plummer (pillow) block housing without bearing

SAF split plummer (pillow) block housings have a two-piece, cast metal construction with inch dimensions.

These housings have been developed to be the best choice for design, quality, robustness, and cost efficiency. SAF housings, when used with SKF bearings, seals and related components, provide a tailored solution to achieve maximum service life and reduce maintenance requirements for rotating equipment.

  • Robust design
  • Customizable configurations
  • Suitable for tough operating conditions
  • Cost-effective bearing solution

Dimensions

SHAFT
da
87.313 mm
Shaft diameter
BEARING SEAT
Da
180 mm
Diameter of bearing seat
G7
Tolerance class of bearing seat diameter
Ca
55.804 mm
Width of bearing seat
H1
114.3 mm
Centre height
OUTSIDE DIMENSIONS
A1
111.125 mm
Foot width
A2
153.194 mm
Overall width
H
217.488 mm
Overall height
H2
44.45 mm
Foot height
J
min.295.275 mm
Distance between attachment bolts
J
max.333.375 mm
Distance between attachment bolts
J1
60.325 mm
Distance between attachment bolts, axial
L
387.35 mm
Overall length
N1
22.225 mm
Width of attachment bolt hole
THREADED HOLES
R1
58.738 mm
Distance of drain plug from centre
R2
30.163 mm
Height of drain plug position
RG
3/8-18 NPT
Thread of drain hole
PG
1/4-18 NPT
Thread of grease fitting in cap
Recommended safe loads - FSAF 520

Recommended safe loads

P60°
119 kN
Safe load at 60° load angle
P90°
71.2 kN
Safe load at 90° load angle
P120°
44.5 kN
Safe load at 120° load angle
P150°
40 kN
Safe load at 150° load angle
P180°
48.9 kN
Safe load at 180° load angle
Pa
31.8 kN
Safe load, axial

Materials

Housing material
Cast iron
Corrosion protection
Paint – in accordance with ISO 12944-2, corrosivity category C2

Mounting information

Cap bolt
3/4-10 UNC x 4
Number of cap bolts
2
SAE grade of cap bolt
5
Recommended tightening torque for cap bolts
203.373 N·m
Recommended diameter for attachment bolts G
19.05 mm
Width of included locating ring
9.728 mm
Initial grease fill, 20%
340.194 g
Initial grease fill, 40%
526.167 g
SKU: FSAF 520-SKF Categories: ,

Properties

Housing type Pillow block
Housing configuration Two-piece
Mounting arrangement Through shaft/Shaft end
Number of bolt holes for fasteners 4
Material, housing Cast iron
Bearing housing seal type Labyrinth seal
Housing lubrication feature/possibility Grease/Oil

Logistics

Product net weight 21.5 kg
eClass code 23-05-17-01
UNSPSC code 31171519

Component

PosiTrac labyrinth seal 2 x LOR 102
Locating (stabilizing) ring SR-20-17

Recommended product

End cover (end plug), for SAF and SAW bearing housings EPR 12

(FSAF520)

Additional information

Weight 21.5 kg
Size (mm)

Colour