Miniature Stroke MST Type

Caution
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
Product Description
Hardened shaft, recommended for use with outer diameter tolerance (k5, m5, n5 or p5).
[Features]
· The MST type is configured from an ST shaft, ball cage, and outer cylinder, and these can be freely combined according to the specification.
· Due to small cross-sectional area and minimal gap, it can be used in various small precision measuring instruments, including as the spindle of optical measuring instruments, and in pen plotters, office automation equipment, computer terminal equipment, automatic measuring scales, digital measuring devices, solenoid valve etc.
· High accuracy shaft bearing: Incorporates steel balls precision-manufactured to JISB1501 (sphericity, diameter variation: 0.0003 mm) in copper alloy ball cage.
Drawing

Product Specification
Structure

Specifications Table
| Combined Nominal Model Number | Ball Cage | Outer housing | ST Shaft | Combined Radial Clearance μm | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal model number | Da | Lm (A) | Allowable load Co N | Weight g | Nominal model number | D | ds | L (B) | Weight g | Nominal model number | dt | Lt (C) | Weight g | ||
M3510 M3515 M3520 | 1 | 10 15 20 | 68.6 98 137 | 0.7 1.1 1.4 | S5710 S5720 S5730 | 7 (-0.006 to 0) | 5 (+/- 0.002) | 10 20 30 | 1.4 2.9 4.5 | T350 T360 | 3 (-0.003 to 0) | 50 60 | 2.8 3.3 | -2 to 5 | |
M4610 M4615 M4620 | 1 | 10 15 20 | 78.4 118 157 | 0.9 1.4 1.9 | S6810 S6820 S6830 | 8 (-0.006 to 0) | 6 (+/- 0.002) | 10 20 30 | 1.7 3.6 5.0 | T450 T460 | 4 (-0.003 to 0) | 50 60 | 4.5 5.6 | -2 to 5 | |
| MST5-A, B, C | M5710 M5715 M5720 | 1 | 10 15 20 | 98 137 186 | 1.1 1.7 2.3 | S71010 S71020 S71030 | 10 (-0.006 to 0) | 7 (+/- 0.002) | 10 20 30 | 2.9 6.3 10.0 | T550 T580 | 5 (-0.003 to 0) | 50 80 | 7.1 12.6 | -2 to 5 |
M6810 M6815 M6820 | 1 | 10 15 20 | 108 157 216 | 1.2 2.0 2.6 | S81120 S81130 S81140 | 11 (-0.011 to 0) | 8 (+/- 0.002) | 20 30 40 | 7.1 10.0 12.6 | T650 T680 | 6 (-0.003 to 0) | 50 80 | 10.0 16.6 | -2 to 5 | |