Linear Optical Axis Shaft
H7, G6, H6
0.63-0.16μm
Gcr15 S45c
3mm to 120mm
Stepped Shaft
Flats Shaft
Key Way Shaft
Tapped and Thread Linear Shaft
Snap Ring Grooves
HRC55-65
High-Frequency Quenching Treatment
100--6000mm
0.05mm with 300mm Length
Chrome Plated
Drive Shaft
Flexible Shaft
Straight Shaft
Real Axis
Round
lzc
Wooden Box
Gcr15 S45c
China
Product Description
Hard Chrome Rod Cylinder Rail Shaft Linear Optical Axis Shaft
The linear shaft, also name as linear optical axis, is a product that has the guiding function of the sliding bearing and can perform linear motion.
Linear Shaft Feature
Linear Shaft Model
Product Details

Linear Guide Unit

Our Company
The linear shaft, also name as linear optical axis, is a product that has the guiding function of the sliding bearing and can perform linear motion.
Linear Shaft Feature
Items | Linear shaft | Flexible linear shaft | Hollow linear shaft |
Material | CK45, SUJ2 | CK45 | SUJ2 |
Heat treatment | Induction hardened | Not hardened | Induction hardened |
Surface hardness | HRC58±2 | HRC15±3 | HRC60±2 |
Surface treated | Hard chrome plated | Hard chrome plated | Hard chrome plated |
Precision | h7, g6, h6 | h7, g6 | h7, g6, h6 |
Roundness | Max3.0µm | Max3.0µm | Max3.0µm |
Straightness | Max5.0µm | Max5.0µm | Max5.0µm |
Chrome thickness | 20-30µm | 30µm | 30µm |
Roughness | Max1.5µm | Max1.5µm | Max1.5µm |
Process mechanized | Threading, reduced shaft diameter,coaxial holes drilled and tapped, flats-single or multiple, key way, snap ring grooves, radial holes drilled and tapped, chamfer | ||
Application | Linear shaft are widely used in many linear motion systems such as cylinder rods, automatic precision printers, automatic cutting machines and industrial robots. |
Model SF(C) | Diameter ФD(mm) | Diameter tolerance μm(g6) | Straightness tolerance μm/m | Surface roughness | Effective hardening depth(mm) | Chamfer at both end (mm) | Weight kg/m | Max length mm | |
standard/S | Precision/S | ||||||||
SF(C)3 | 3 | -2~-8 | 60~-100/m | 0.8~ 1.6 | 0.4~ 0.8 | > 1.0 | 0.3 | 0.06 | 300 |
SF(C)4 | 4 | -4~-12 | 0.1 | 400 | |||||
SF(C)5 | 5 | 0.16 | 500 | ||||||
SF(C)6 | 6 | 0.23 | 600 | ||||||
SF(C)8 | 8 | -5~-14 | 0.5 | 0.4 | 1000 | ||||
SF(C)10 | 10 | 100~-150/m | 0.62 | 1500 | |||||
SF(C)12 | 12 | -6~-17 | 0.89 | 2500 | |||||
SF(C)13 | 13 | 1.04 | 3000 | ||||||
SF(C)16 | 16 | 0.7 | 1.58 | 3000 | |||||
SF(C)20 | 20 | -7~-20 | > 1.5 | 2.47 | 3000 | ||||
SF(C)25 | 25 | 3.85 | 3000 | ||||||
SF(C)30 | 30 | > 2.0 | 1 | 5.55 | 3000 | ||||
SF(C)35 | 35 | -9~-25 | 7.55 | 4000 | |||||
SF(C)40 | 40 | > 2.5 | 9.87 | 4000 | |||||
SF(C)50 | 50 | 1~1.5 | 15.4 | 5000 | |||||
SF(C)60 | 60 | -10~-29 | > 3.0 | 22.2 | 5000 | ||||
SF(C)80 | 80 | 39.5 | 5000 | ||||||
SF(C)100 | 100 | -12~-34 | 1.5 | 61.7 | 6000 | ||||
SF(C)120 | 120 | 88.8 | 6000 | ||||||
SF(C)150 | 150 | -14~-39 | 139 | 6000 |

Linear Guide Unit

Our Company
