Rubber seating rings in the RIS 2 series are primarily intended to cushion insert bearings in pressed steel pillow (plummer) block housings. Located between the bearing outer ring and housing bore, they dampen vibration and noise and enable the bearings to be displaced slightly in their housings and to accommodate minor shaft expansion or misalignment.
| Bearing outside diameter | D |
3.346 in
|
|---|
| B |
0.866 in
|
Inner width rubber seating ring |
|---|---|---|
| C |
0.984 in
|
Outer width rubber seating ring |
| d1 |
2.996 in
|
Inner diameter rubber seating ring |
| d2 |
3.335 in
|
Inner diameter rubber seating ring |
| D1 |
3.555 in
|
Outside diameter rubber seating ring |
| r |
min. 0.059 in
|
Chamfer radius rubber seating ring |
| Mass rubber seating ring |
0.066 lb
|
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