SYF 40 FM
Short base pillow block ball bearing unit with narrow inner ring and eccentric locking collar, cast iron
Short base pillow (plummer) block ball bearing units consist of an insert bearing mounted in a cast iron housing that can be bolted to a support surface.
This variant is intended for use in applications where the direction of rotation is constant. It has a narrow inner ring and is locked onto the shaft by an eccentric locking collar, making it easy to mount.
- Strong
- Narrow design
- Ready to mount
- Lubricated and sealed bearing
- Designed for rotation in one direction
- Accommodate static initial misalignment
Dimensions
| d |
40 mm
|
Bore diameter |
| d1 |
≈51.8 mm
|
Shoulder diameter of inner ring |
| d2 |
56.5 mm
|
Outside diameter of locking ring |
| A |
48 mm
|
Base width |
| A1 |
30 mm
|
Top width |
| B1 |
43.2 mm
|
Overall bearing width |
| B4 |
6.75 mm
|
Distance from locking device side face to thread centre |
| H |
49.2 mm
|
Height of spherical seat centre |
| H2 |
99 mm
|
Overall height |
| J |
88.9 mm
|
Distance between attachment bolts |
| L |
116 mm
|
Overall length |
| s1 |
32.7 mm
|
Distance from locking device side face to raceway centre |
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 grease fitting |
Calculation data
| Basic dynamic load rating |
C |
30.7 kN
|
| Basic static load rating |
C0 |
19 kN
|
| Fatigue load limit |
Pu |
0.8 kN
|
| Limiting speed |
|
4 800 r/min
|
|
|
Limiting speed with shaft tolerance h6
|
Mounting information
| Thread for attachment bolts |
G |
M12
|
| Thread length |
G1 |
20 mm
|
| Set screw |
G2 |
M10x1
|
| Hexagonal key size for set screw |
|
5 mm
|
| Recommended tightening torque for set screw |
|
16.5 N·m
|
