P2B 115-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 |
49.213 mm
|
Shaft diameter |
| d2 |
73.787 mm
|
Collar outer diameter |
| A |
58.738 mm
|
Housing foot width |
| A5 |
88.503 mm
|
Width including end cover |
| B |
73.025 mm
|
Inner ring width |
| H |
57.15 mm
|
Height base to center |
| H1 |
34.925 mm
|
Housing foot height |
| H2 |
117.872 mm
|
Housing height |
| J |
min.150.813 mm
|
Distance between attachment bolts, max. |
| J |
max.174.625 mm
|
Distance between attachment bolts, min. |
| J |
162.719 mm
|
Distance of attachment bolts |
| L |
212.725 mm
|
Housing length |
| N |
19.05 mm
|
Width foot slot width |
| N1 |
30.956 mm
|
Length of attachment bolt hole |
| s |
25.4 mm
|
Centre line unit to side face of inner ring |
| S |
0.794 mm
|
Centre line of “fixed” bearing |
| T |
77.788 mm
|
Total width |
GREASE FITTING
| GN |
1/8-27 NPT
|
Thread of grease fitting |
Calculation data
| Basic dynamic load rating |
C |
84.5 kN
|
| Basic static load rating |
C0 |
100 kN
|
| Fatigue load limit |
Pu |
11 kN
|
| Limiting speed |
|
4 100 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 |
70.104 mm
|
| Axial holding force of the locking mechanism |
Pa |
2.29 kN
|
Safe loads
| P90° |
40 kN
|
Safe load at 90° |
| P135° |
23.1 kN
|
Safe load at 135° |
| P180° |
28.5 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 |
|
4 g
|
