P2B 203-SRB-SRH

Pillow block roller bearing unit, two-bolt, set screw locking

Pillow (plummer) block roller bearing units consist of a spherical mounted in a non-split housing that can be bolted to a support surface.

This variant has a spherical roller bearing, a two-bolt base and set screw locking, holding the shaft firmly against the inner ring of the bearing. The units are sealed and lubricated and ready to use. This bearing unit covers a wide range of requirements, in inch dimensions.

  • Ready to mount
  • Robust
  • Factory lubricated and sealed
  • Quick mounting
  • Long service life

Dimensions

da
55.563 mm
Shaft diameter
d2
82.55 mm
Collar outer diameter
A
60.325 mm
Housing foot width
A5
94.456 mm
Width including end cover
B
79.375 mm
Inner ring width
H
63.5 mm
Height base to center
H1
41.275 mm
Housing foot height
H2
129.778 mm
Housing height
J
min.163.513 mm
Distance between attachment bolts, max.
J
max.187.325 mm
Distance between attachment bolts, min.
J
177.006 mm
Distance of attachment bolts
L
225.425 mm
Housing length
N
19.05 mm
Width foot slot width
N1
30.956 mm
Length of attachment bolt hole
s
28.575 mm
Centre line unit to side face of inner ring
S
0.794 mm
Centre line of “fixed” bearing
T
81.756 mm
Total width
GREASE FITTING
GN
1/8-27 NPT
Thread of grease fitting

Calculation data

Basic dynamic load rating C
99.6 kN
Basic static load rating C0
118 kN
Fatigue load limit Pu
12.9 kN
Limiting speed
3 700 r/min
Limiting value e
0.24
Calculation factor Y1
2.8
Calculation factor Y2
4.2
Calculation factor Y0
2.8
Bearing mean diameter dm
77.47 mm
Axial holding force of the locking mechanism Pa
2.29 kN
Safe loads - P2B 203-SRB-SRH

Safe loads

P90°
46.3 kN
Safe load at 90°
P135°
27.6 kN
Safe load at 135°
P180°
32.9 kN
Safe load at 180°

Mounting information

Attachment bolt diameter G
0.625 in
Set screws
3/8-24 UNF-3A x 1/2″
Number of set screws
2
Tightening torque for set screws
28.246 N·m
Grease quantity for relubrication
5 g

Properties

Housing type Pillow block
Number of bolt holes for fasteners 2
Bearing insert Spherical roller bearing
Retaining feature, inner ring Set screws
Bearing position Locating
Bore type Cylindrical
Material, housing Cast iron
Material, bearing Bearing steel
Coating Without
Bearing housing seal type Radial lip seal
Sealing, unit Optional end cover
Lubricant Grease
Relubrication hole With
Grease fitting With
Metric/inch series
Inch
Bearing insert
Spherical roller bearing
Bearing position
Locating
Locking method
Set screws
Bearing housing seal type
Radial lip seal

Logistics

Product net weight 5.4 kg
eClass code 23-05-16-90
UNSPSC code 31171537

Associated products

End cover ECY 211

(SYR2.3/16H) (SYR2-3/16H) (P2B203-SRB-SRH) (P2B-203-SRB-SRH)

Additional information

Weight 5.4 kg
Size (mm)

Colour

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