(!) Since support from Microsoft will end on January 14 2020, Windows 7 user might not be able to use MISUMI website effectively. Please consider to update your system as ‘MISUMI Website system requirement’.
Select part number to Order Now/ Add to Cart
- Rolled Ball Screws Shaft Dia.8 Lead 2 Accuracy Grade C7 from MISUMI.
- The Rolled Ball Screws have a shaft diameter of 8 mm and lead size is 2mm.
- The accuracy grade option for this product is C7.
- The overall length of the shaft screw can be customized to fit a range of configurations, from 100mm to 400mm, in 1mm increments.
- The lead twisting direction for this product is right-handed.
- The screw shaft is made of S55C while the nut is made of SCM420.
Model No./Specification Example | |||||
Model No. | Accuracy | Shaft Dia. | Lead | Total Length | |
MISUMI Conventional Standard Product | BSST0802-300 | C7 | 8 | 2 | 300 |
MISUMI Conventional C-Value Product | C-BSST0802-300 | ||||
Economy Series* | C-TBSE0802-300 |
Accuracy Class | C7 | C10 |
Cumulative Lead Error (4) | 52 | 210 |
Rolled Ball Screw
Model | Lead | Screw Length | (1) (2) Runout Tolerance (Max.) | (3) Runout Tolerance (Max.) | (4) (5) Perpendicularity Tolerance (Max.) | Axial Clearance | ||||||
Type | Screw Shaft Outer Dia. | Min. | Max. | Conventional Product (BSST) | Economy Series | Conventional Product (BSST) | Economy Series | Conventional Product (BSST) | Economy Series | Conventional Product (BSST) | Economy Series | |
C-TBSE | 8 | 2 | 100 | 400 | 0.014 | 0.014 | 0.014 | 0.014 | 0.007 | 0.1 | 0.03 or less | 0.05 or less |
10 | 2/4 | 150 | 600 | |||||||||
C-TBSE C-TBSB | 12 | 4/5/10 | 150 | 800 | 0.1 or less | |||||||
15 | 5/10/16/20 | 150 | 1200 | |||||||||
20 | 5/10/20 | 200 | 2000 | 0.05 or less* | 0.15 or less | |||||||
25 | 5/10/25 | 200 | 2000 | 0.02 | 0.02 | 0.02 | 0.02 | 0.07 or less* | 0.2 or less | |||
32 | 5/10/32 | 300 | 2000 | 0.008 | ー |
Shaft Dia. | b | t | ||
Reference Dimension | Tolerance (N9) | Reference Dimension | Tolerance | |
6 to 7 | 2 | -0.004 -0.029 | 1.2 | +0.1 0 |
8 to 10 | 3 | 1.8 | ||
11 to 12 | 4 | 0 -0.03 | 2.5 | |
13 to 17 | 5 | 3 | ||
18 to 20 | 6 | 3.5 |
Type | Screw Shaft O.D. | Runout tolerance G (Max.) | Incomplete Hardened Area (ℓ) | ||||||||||
~125 | 126~200 | 201~315 | 316~400 | 401~500 | 501~630 | 631~800 | 801~1000 | 1001~1250 | 1251~1600 | 1601~2000 | |||
E-TBS | 4 | 0.060 | 0.075 | - | - | - | - | - | - | - | - | - | 5 |
6 | 0.075 | 0.075 | - | - | - | - | - | - | - | - | - | ||
C-TBSE C-TBSB | 8 | 0.100 | 0.140 | 0.210 | 0.270 | - | - | - | - | - | - | - | 10 |
10 | - | 0.120 | 0.160 | 0.210 | 0.270 | 0.350 | - | - | - | - | - | ||
12 | - | 0.120 | 0.160 | 0.210 | 0.270 | 0.350 | 0.480 | - | - | - | - | ||
15 | - | 0.110 | 0.130 | 0.160 | 0.200 | 0.250 | 0.320 | 0.420 | 0.550 | - | - | ||
20 | - | 0.110 | 0.130 | 0.160 | 0.200 | 0.250 | 0.320 | 0.420 | 0.550 | 0.730 | 0.730 | 15 | |
25 | - | 0.110 | 0.110 | 0.130 | 0.160 | 0.190 | 0.230 | 0.300 | 0.380 | 0.500 | 0.690 | ||
32 | - | - | 0.110 | 0.130 | 0.160 | 0.190 | 0.230 | 0.300 | 0.380 | 0.500 | 0.690 | 20 | |
E-KBS | 4 | 0.050 | - | - | - | - | - | - | - | - | - | - | 5 |
6 | 0.050 | 0.050 | - | - | - | - | - | - | - | - | - | ||
C-KBS | 8 | 0.060 | 0.075 | 0.100 | - | - | - | - | - | - | - | - | |
10 | 0.055 | 0.065 | 0.080 | 0.100 | - | - | - | - | - | - | - | ||
12 | - | 0.065 | 0.080 | 0.100 | 0.120 | - | - | - | - | - | - | 10 | |
15 | - | 0.060 | 0.070 | 0.080 | 0.095 | 0.110 | 0.140 | 0.170 | 0.210 | - | - | ||
20 | - | 0.060 | 0.070 | 0.080 | 0.095 | 0.110 | 0.140 | 0.170 | 0.210 | 0.270 | - | 15 | |
25 | - | - | 0.060 | 0.070 | 0.080 | 0.090 | 0.100 | 0.130 | 0.170 | 0.210 | - | ||
E-KLR | 4 | 0.050 | 0.050 | - | - | - | - | - | - | - | - | - | 5 |
8 | 0.065 | 0.075 | 0.100 | - | - | - | - | - | - | - | - | ||
10 | 0.065 | 0.065 | 0.080 | 0.100 | - | - | - | - | - | - | - |
(Economy series) support unit Standard square type | (Economy series) support unit Round type | ||
Fixed side model | Support side model | Fixed side model | Support side model |
C-TEK6 | C-TEF6 | C-TFK6 | C-TFF6 |
Type | Rolled | Flange Shape | Round Shape, 2 Set Screw Flats at both ends | Accuracy Grade | C7 |
---|---|---|---|---|---|
Screw Shaft O.D.(Ø) | 8 | Lead(mm) | 2 | Shaft End Type | EK Type |
Fixed Side of Square Bearing Assembly (Purchase Separately) | C-TEK6 | Square Support Component Support Side (Purchase Separately) | C-TEF6 | Fixed Side of Round Bearing Assembly (Purchase Separately) | C-TFK6 |
Support Side of Circular Support Assembly (Purchase Separately) | C-TFF6 |
How can we improve?
How can we improve?