SAF 22228/C2Pillow block housing with included bearing

SKU: SAF 22228/C2Pillow block housing with included bearing

SAF and SAW split pillow blocks use a two-piece, cast metal housing with inch dimensions. With the included SKF bearings, seals, and related components, they provide a tailored solution to achieve maximum service life and reduce maintenance requirements for rotating equipment. These pillow blocks have been developed to be the best choice for design, quality, robustness, and cost efficiency.

ID:126856

Dimensions - SAF 22228/C2Dimensions - SAF 22228/C2Dimensions - SAF 22228/C2

Dimensions

da
140 mm
Shaft diameter
db
158.75 mm
Shaft diameter
dc
134.938 mm
Shaft diameter
Da
250 mm
Diameter of bearing seat
G7
Tolerance class of bearing seat
Ca
77.8 mm
Width of bearing seat
A1
149.225 mm
Housing foot width
A2
193.675 mm
Width
H
305.594 mm
Height
H1
152.4 mm
Centre height of bearing seat
H2
60.325 mm
Foot height
J
min. 441.325 mm
Distance between attachment bolts
J
max. 396.875 mm
Distance between attachment bolts
J1
85.725 mm
Distance between attachment bolts, axial
L
511.175 mm
Length
N1
28.575 mm
Width of attachment bolt hole
S
4.763 mm
Offset of locating bearing
Threaded holes
R1
87.313 mm
Distance of drain plug from centre
R2
38.1 mm
Height of drain plug position
RG
3/4-14 NPT
Thread of drain hole
PG
1/4-18 NPT
Thread for grease fitting in cap

Calculation data

Dynamic load rating C
743 kN
Static load rating C0
900 kN
Fatigue load limit Pu
86.5 kN
Reference speed
2 400 r/min
Limiting speed
3 200 r/min
Limiting value e
0.26
Calculation factor Y1
2.6
Calculation factor Y2
3.9
Calculation factor Y0
2.5

Recommended safe loads - SAF 22228/C2

Recommended safe loads

P60
249 kN
Safe load at 60° load angle
P90
158 kN
Safe load at 90° load angle
P120
94.3 kN
Safe load at 120° load angle
P150
85.9 kN
Safe load at 150° load angle
P180
103 kN
Safe load at 180° load angle
Pa
67.1 kN
Safe load, axial

Materials

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

Mass

Mass
67.6 kg

Mounting information

Cap bolt
1-8 UNC x 5-1/2
Number of cap bolts
2
Recommended tightening torque for cap bolts
399.966 N·m
SAE grade of cap bolt
5
Eye bolt
3/8-16 UNC
Number of eye bolts
1
Recommended diameter of attachment bolts G
25.4 mm
Locating bearing position
Required locating (stabilizing) ring SR-28-0
Number of required locating rings
1
Lubrication
Oil level h
51.594 mm

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