Support Unit For Ball screw

Support unit for ball screw helps to support each shaft-ends of
ball screw. We, S.I.M provides diverse options according to sizes,
loads and purposes for our customers’ best convenience.
Support Unit for Ball Screw (Index)
Support Unit for Ball Screw (General Load)
Product Overview
Fixed Side

- DF arrangement of angular contact ball bearing combinations
- Full ranges with high accuracy without runout according to adequate preload given in advance
- Prevention of foreign material and leak of grease by the inner oil-seal rings
- Accompanied by a high accuracy lock-nut and collars(spacer)
Supported Side

- Accompanied by a deep-groove ball bearing and a snap-ring
Fixed Side

Supported Side

| ① Precision Grade Mark | Mark (Fixed Side Only) |
Bearing Precision Grade | Preload |
|---|---|---|---|
| P5 | P5 | Medium | |
| C8 | General | Medium | |
| P0-C7 | General | Light |
| ② Surface Treatment | Mark | Surface Treatment |
|---|---|---|
| No mark | Black Oxide | |
| RA | Low temperature Black Chrome Plating (Raydent) |
| Grease Model | Standard | LG2 | AFE-CA | AFF | HT-Z1 | NBU-15 | XL-600 |
|---|---|---|---|---|---|---|---|
| Mark | No mark | AG | AE | AF | AH | AN | AX |
※ For detailed information regarding grease replacement, please refer to the guideline pages in the catalogue under the “Made-To-Order Process.”
Precautions for Supported-side Installation

On the top of the supported-side housing, there is marking for reference surface identification. Please install the product with reference to the polished surface in the direction indicated by the marking.
If assembled in the wrong direction, noise or vibration may occur due to misalignment of the bearing center or the bearing may not function smoothly. Therefore, please assemble with attention to the direction.
· Applicable models: AF, BF, CF, EF series (Rectangular shape)






