Ballscrew Support Units - Heavy Duty Support Units
MBK
MBK belongs to Heavy Duty Support Units. This page connects to the specific models, drawings, 3D models and cart actions in this series.
Product Specifications
List of contents

| Part No. | Description | Unit | QTY |
|---|---|---|---|
| 1-(1) | Bearing Housing | pcs | 1 |
| 1-(2) | Bearing | set | 1 |
| 1-(3) | Holding Lid | pcs | 1 |
| 1-(4) | Seal | pcs | 2 |
| 1-(5) | Hexagon Screw | pcs | 8 |
| 2 | Lock Nut (with set screw) | pcs | 1 |
| 3 | Collar | pcs | 2 |
Ball screw interface dimensions

| Ball Screw Interface Dimensions | MBK15DF | MBK17DF | MBK17DFF | MBK20DF | MBK20DFF |
|---|---|---|---|---|---|
| d(g6) | 15 | 17 | 17 | 20 | 20 |
| L4 | 66 | 68 | 99 | 68 | 99 |
| L5 | 23 | 25 | 25 | 25 | 25 |
| M | M15x1.0 | M17x1.0 | M17x1.0 | M20x1.0 | M20x1.0 |
Dimensions in [mm]
Support unit dimensions

| Model | d | D | D1 | L | L1 | L2 | W | X | Y | Z | C | Bearing Model |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MBK15DF | 15 | 58 | 79 | 48 | 24 | 15 | 66 | 6.6 | 11 | 7 | 9 | 15TAC47 |
| MBK17DF | 17 | 58 | 79 | 48 | 24 | 15 | 66 | 6.6 | 11 | 7 | 9 | 17TAC47 |
| MBK17DFF | 17 | 65 | 88 | 80 | 56 | 15 | 74 | 6.6 | 11 | 7 | 9 | 17TAC47 |
| MBK20DF | 20 | 58 | 79 | 48 | 24 | 15 | 66 | 6.6 | 11 | 7 | 9 | 20TAC47 |
| MBK20DFF | 20 | 65 | 88 | 80 | 56 | 15 | 74 | 6.6 | 11 | 7 | 9 | 20TAC47 |
Dimensions in [mm]
Product Models / Catalog Drawings
| Part No. | Description | 3D Model | Price | Max Axial Load (kgf) | Shaft Dia (mm) | Bearing Config | Bearing Contact Angle | Bearing Preload | Bearing Origin |
|---|---|---|---|---|---|---|---|---|---|
| MBK15DF-C2 | MBK15DF-C2 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 15 | DF | 60° | Heavy | Imported / JP |
| MBK17DF-C2 | MBK17DF-C2 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 17 | DF | 60° | Heavy | Imported / JP |
| MBK17DFF-C2 | MBK17DFF-C2 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 3602 | 17 | DFF | 60° | Heavy | Imported / JP |
| MBK20DF-C2 | MBK20DF-C2 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 20 | DF | 60° | Heavy | Imported / JP |
| MBK20DFF-C2 | MBK20DFF-C2 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 3602 | 20 | DFF | 60° | Heavy | Imported / JP |
| MBK15DF-C5 | MBK15DF-C5 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 15 | DF | 60° | Heavy | Domestic / CN |
| MBK17DF-C5 | MBK17DF-C5 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 17 | DF | 60° | Heavy | Domestic / CN |
| MBK17DFF-C5 | MBK17DFF-C5 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 3602 | 17 | DFF | 60° | Heavy | Domestic / CN |
| MBK20DF-C5 | MBK20DF-C5 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 20 | DF | 60° | Heavy | Domestic / CN |
| MBK20DFF-C5 | MBK20DFF-C5 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 3602 | 20 | DFF | 60° | Heavy | Domestic / CN |
| MBK15DF-C4 | MBK15DF-C4 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 15 | DF | 60° | Heavy | Domestic / CN |
| MBK17DF-C4 | MBK17DF-C4 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 17 | DF | 60° | Heavy | Domestic / CN |
| MBK17DFF-C4 | MBK17DFF-C4 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 3602 | 17 | DFF | 60° | Heavy | Domestic / CN |
| MBK20DF-C4 | MBK20DF-C4 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 1808 | 20 | DF | 60° | Heavy | Domestic / CN |
| MBK20DFF-C4 | MBK20DFF-C4 Heavy-Duty Fixed-End Ball Screw Support Unit | Download |
---- | 3602 | 20 | DFF | 60° | Heavy | Domestic / CN |
Total 15 items
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Heavy Duty Support Units