Take-up cast iron unit with insert ball bearing, set screw locking and extended inner ring, ISO
Take-up ball bearing units, consisting of an insert bearing based on a sealed deep groove ball bearing mounted in a grey cast iron housing.
Typically mounted in take-up frames, the unit has an inner ring extended on both sides and is locked by tightening a set screw on the inner ring, which makes it easy to mount.
- Designed for an alternating rotation
- Quick and easy to mount onto the shaft
- Accommodate static initial misalignment
- Long service life
- Reduced noise and vibration levels
Dimensions
| d |
50.8 mm
|
Bore diameter |
| d1 |
≈69.06 mm
|
Shoulder diameter of inner ring |
| A |
64 mm
|
Overall width |
| A1 |
27 mm
|
Width of piloting groove |
| A2 |
41 mm
|
Width of flange in which piloting grooves are provided |
| A5 |
33.5 mm
|
Standout of end cover |
| B |
55.6 mm
|
Width of inner ring |
| B4 |
9 mm
|
Distance from locking device side face to thread centre |
| H |
146 mm
|
Overall height |
| H1 |
130 mm
|
Distance between bottoms of piloting grooves |
| H2 |
102 mm
|
Height of attachment end |
| L |
171 mm
|
Overall length |
| L1 |
106 mm
|
Distance from attachment end face to centre line of spherical seat diameter |
| L2 |
19 mm
|
Length attachment end |
| L3 |
95 mm
|
Length of piloting groove |
| N |
35 mm
|
Diameter of attachment bolt hole |
| N1 |
25 mm
|
Length of attachment slot |
| N2 |
64 mm
|
Height of attachment slot |
| s1 |
33.4 mm
|
Distance from locking device side face to raceway centre |
THREADED HOLE
| RG |
1/4-28 UNF
|
Housing thread for the grease fitting |
| R1 |
5 mm
|
Axial position of the housing thread |
| Rα |
30 °
|
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 |
43.6 kN
|
| Basic static load rating |
C0 |
29 kN
|
| Fatigue load limit |
Pu |
1.25 kN
|
| Limiting speed |
|
3 600 r/min
|
|
|
Limiting speed with shaft tolerance h6
|
Mounting information
| Set screw |
G2 |
3/8-24 UNF
|
| Hexagonal key size for set screw |
|
4.763 mm
|
| Recommended tightening torque for set screw |
|
16.5 N·m
|
