These square flanged housings for insert bearings are complaint with Japanese Industrial Standards (JIS). They are made of grey cast iron and can be bolted with four bolts to a machine wall or frame. They have been developed for bearing arrangements that must operate reliably in difficult environments.
| Material |
Cast iron
|
| Da |
180 mm
|
Diameter of spherical seat |
|---|---|---|
| Db1 |
207 mm
|
Top external diameter |
| Db2 |
221 mm
|
Base external diameter |
| Dc |
215.9 mm
|
Centring diameter |
| A |
70 mm
|
Overall width |
| A1 |
25 mm
|
Flange width |
| A2 |
44 mm
|
Axial position of spherical seat (from support surface) |
| A3 |
3.2 mm
|
Depth of centring recess |
| J |
210 mm
|
Distance between attachment bolts |
| L |
265 mm
|
Overall length |
| N |
27 mm
|
Diameter of attachment bolt hole |
| RG |
1/4-28 UNF
|
Housing thread for grease fitting |
|---|---|---|
| R1 |
43 mm
|
Axial position of the housing thread |
| 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 the grease fitting |
| J6 |
233 mm
|
Distance of dowel pins |
|---|---|---|
| J7 |
55 mm
|
Axial offset of dowel pins |
| N4 |
4 mm
|
Recommended diameter for dowel pins |
| Mass housing |
8.4 kg
|
| Recommended diameter for attachment bolts, mm | G |
24 mm
|
|---|---|---|
| Recommended diameter for attachment bolts, inch | G |
0.9375 in
|
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