Cast iron square flange mount unit with spigot UCFS
Brand :
FYH
Caution
Product Description
Bearing unit that combines a bearing with a bearing box with a square flange and a spigot joint on the mounting surface
Drawing
Product Specification
Difference in the outer diameter dimension of the spigot (⊿H3s), difference in the distance dimension from the mounting surface to the center of the spherical strike plate (⊿A2s),
position tolerance of the bolt hole (X), and circumferential runout tolerance of the spigot (Y)
| Housing nominal number | ⊿H3s | ⊿A2s | X | Y |
|---|---|---|---|---|
| FS305 | -0.046 to 0 | +/- 0.5 | 0.7 | 0.2 |
| FS306–FS308 | -0.054–0 | |||
| FS309–FS310 | -0.063–0 | |||
| FS311–FS313 | +/- 0.8 | 1 | 0.3 to FS318 | |
| FS314 to FS319 | -0.072 to 0 | |||
| FS319 to 0.4 | ||||
| FS320 to FS322 | -0.081 to 0 | |||
| FS324 to FS328 | -0.089 to 0 |
Difference in bolt hole diameter dimension (⊿Ns)
| Housing nominal number | ⊿Ns |
|---|---|
| FS305–315 | +/- 0.2 |
| FS316–328 | +/- 0.3 |
Specifications Table
Note:
- 1. The nominal number of the unit and the nominal number of the unit with cover are followed by the fitting symbol after the bore number.
- 2. The compatible grease fitting nominal numbers are as follows.
A-1/4-28UNF: 305 to 308
A-R1/8: 309 to 328 - 3. For products with triple seals, add the accessory symbol L3 after the unit nominal number and bearing nominal number.
(Example of nominal number: UCFS307JL3, UC307L3). - 4. For the dimensions and shapes of applicable bearings, please refer to the bearing dimension table in the digital catalog.