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Precision Ball Screws - Screw diameter 6mm or 8mm, pitch 2 millimeters. (Part Numbers)
Smallest Nut Outer Diameter
For complete product overview and details on Precision Ball Screws - Shaft Diameter 6 or 8, Lead 1 or 2 see the sections below:
- inCAD Components
Part Number
Configured Part Number is shown.
BSX0801-[80-255/1]
| Nut Type | Type | Accuracy Grade | Shaft Dia. | Lead | Screw Shaft | Nut | ||
| [ M ]Material | [ H ]Hardness | [ M ]Material | [ H ]Hardness | |||||
| Compact Nut | BSX | C3 | 6, 8 | 1, 2 | JIS SCM415 | Carburized 58~62HRC | JIS SCM420 | Carburized 58~62HRC |
| Standard Nut | BSS | C5 | 8 | 2 | ||||
| BSSE | C7 | |||||||
Specifications
| Part Number | - | L |
| BSX0601 BSS0802 BSS0802L BSS0802G | - - - - | 185 200 210 210 |
(G Type Greased)
| Nut Type | Accuracy Grade | Part Number | 1mm Increment | Y | Ball Dia. | Ball Center Dia. | Screw Root Dia. | Number of Circuits | Basic Load Rating | Axial Play | Preload Torque N·cm | Twisting Direction | |||
| Type | Screw Shaft O.D. | Lead | L | C (Dynamic) kN | Co (Static) kN | ||||||||||
| Compact Nut | C3 | BSX | 06 | 01 | 80~205 | L-40 | 0.800 | 6.24 | (5.3) | 1 turn, 3 rows | 0.55 | 1.15 | 0 (Preloaded) | 1.3 or Less | Right |
| 08 | 01 | 80~255 | L-57 | 8.24 | (7.3) | 0.65 | 1.6 | 1.8 or Less | |||||||
| Standard Nut | 08 | 02 | 100~240 | 1.5875 | 8.3 | (6.6) | 2.5 turns, 1 row | 1.22 | 1.3 | 0.3~2.6 | |||||
| C5 | BSS | 100~210 | 1.95 | 2.6 | 0.005 or Less | 0.5 or Less | |||||||||
| C7 | BSSE | 0.030 or Less | - | ||||||||||||
Price list
| Nut Type | Accuracy Grade | Part Number | Unit Price 1~4 pc(s). | |||||
| L80~99 | L100~160 | L161~205 | L206~210 | L211~240 | L241~255 | |||
| Compact Nut | C3 | BSX0601 | 61,000 | 61,000 | 61,000 | - | - | - |
| BSX0801 | 61,500 | 61,500 | 61,500 | 61,500 | 61,500 | 61,500 | ||
| Standard Nut | BSX0802 | - | 45,270 | 48,780 | 48,780 | 48,780 | - | |
| C5 | BSS0802 | - | 40,320 | 40,320 | 40,320 | - | - | |
| C7 | BSSE0802 | - | 37,080 | 37,080 | 37,080 | - | - | |
Alterations
Detailed Keyway Dimensions >> Click here
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
| Part Number |
|---|
| BSX0801-[80-255/1] |
Loading...
More Information
■Combination with Support Units
| Ball Screw Part Number | Recommended Support Unit | |||||||
| Type | Screw Shaft O.D. | Lead | Part Number | Shape | Fixed Side | Support Side | Page | |
| Type | No. | |||||||
| BSX BSS BSSE | 06 | 01 | BRW | 6 | Round | ○ | >> Click here | |
| BSW | 6 | Square | ○ | >> Click here | ||||
| 08 | 01 02 | BRW | 8 | Round | ○ | >> Click here | ||
| BUR | 6 | ○ | >> Click here | |||||
| BSW | 8 | Square | ○ | >> Click here | ||||
| BUN | 8 | ○ | >> Click here | |||||
■Combination with Nut Brackets
| Ball Screw Part Number | Recommended Nut Bracket | ||||
| Type | Screw Shaft O.D. | Lead | Part Number | Page | |
| Type | No. | ||||
| BSX BSS BSSE | 06 | 01 | - | - | - |
| 08 | 01 | BNFB BNFM BNFR BNFA | 801X | >> Click here | |
| 02 | 802S | >> Click here | |||
■Notes
[ ! ]Filled with lithium soap based grease (Alvania Grease S2 made by Showa Shell Sekiyu K.K).
(BSX is filled with Multemp Grease PS2 made by Kyodo Yushi Co., Ltd.)
[ ! ]Cautions: Do not let nuts overrun its stroke or remove nuts from screw shafts. It may cause balls to fall out or damage ball recirculation parts.
[ ! ]Various grease options are available. For lead time, prices and specifications >> Click here Not applicable to BSX
[ ! ]For accuracy of Ball Screws, see >> Click here, >> Click here.
[ ! ]For details of Support Units, see >> Click here~>> Click here.
Technical Information
Applications for different types of grease
Grease Performance
| Type | Product Name | Main Characteristic |
|---|---|---|
| Type L | ET-100K (Made by Kyodo Yushi) | Excels in heat resistance, oxidation stability, and adhesion. In addition, splash or leakage is reduced. |
| Type G | LG2 (Made by NSK Ltd.) | Special grease for linear guides, ball screws and etc. for clean-room use. |
Keyway Dimension Details
Located at P on Fixed Side Shaft End
| Shaft Diameter | b | t | ||
|---|---|---|---|---|
| Ref. Dim. | Tol. (N9) | Ref. Dim. | Tol. | |
| 6-7 | 2 | -0.004 -0.029 | 1.2 | +0.1 0 |
| 8-10 | 3 | 1.8 | ||
| 11-12 | 4 | 0 -0.03 | 2.5 | |
| 13-17 | 5 | 3.0 | ||
| 18-20 | 6 | 3.5 | ||
Peripheral Components
Combination of the following parts are available.
| Support Units (Square, Low Profile) | Support Units (Round) | Nut Brackets (Block Type) | Assembly Example |
|---|---|---|---|
 |  |  |  |
Combination with Support Units and Nut Bracket
Combination with Support Units
| Ball Screw Part Number | Recommended Support Unit | |||||||
|---|---|---|---|---|---|---|---|---|
| Type | Screw Shaft Outer Diameter | Lead | Part Number | Shape | Fixed Side | Support Side | Link | |
| Type | No. | |||||||
| BSX BSS BSSE | 06 | 01 | BRW | 6 | Round | ⚬ | - | Detail here |
| BSW | 8 | Square | ⚬ | - | Detail here | |||
| 08 | 01 02 | BRW | 8 | Round | ⚬ | - | Detail here | |
| BUR | 6 | - | ⚬ | Detail here | ||||
| BSW | 8 | Square | ⚬ | - | Detail here | |||
| BUN | 8 | - | ⚬ | Detail here | ||||
*Aside from the part numbers shown above, there are a variety of other Support Units available.
Combination with Nut Bracket
| Ball Screw Part Number | Recommended Nut Brackets | ||||
|---|---|---|---|---|---|
| Type | Screw Shaft Outer Diameter | Lead | Part Number | Link | |
| Type | No. | ||||
| BSX BSS BSSE | 06 | 01 | - | - | |
| 08 | 01 | BNFB BNFM BNFR BNFA | 801X | Detail here | |
| 02 | 802S | Detail here | |||
*Aside from the part numbers shown above, there are a variety of other Nut Brackets available.
Note
Mounting surface of BSST ball nut flange is not surface-treated
Filled with lithium soap based grease (Alvania Grease S2 made by Showa Shell Sekiyu K.K).(BSX is fi lled with Multemp Grease PS2 made by Kyodo Yushi Co., Ltd.)
Caution: Do not remove any nuts from their screw shafts or allow nuts to overrun the stroke. It may cause the balls to fall out or damage the ball recirculation parts.
Included Collar is packaged together with main body of Ball Screws. Store this Included Collar with care since it is required when mating with Support Units.3
Do not tilt the Ball Screw Assembly. Due to its own weight, the nut may rotate off of the shaft.
Support Information
Mounting Method Type
| Installation Methods | Speed | Accuracy | Suggested Support Unit |
|---|---|---|---|
 | Intermediate – High Speed Applications * Most commonly selected installation method | Intermediate Speed Applications | Low Speed Applications * For short shaft length |
 | Medium – High | High | Medium |
 | Standard Type BRW and BUR were selected. | Standard Type BRW was selected. | BRWE Type was selected. |
For more details, click here.
Precision Ball Screws
Standard values for variations within 300mm of effective thread length (V300) and in one revolution (V2π) for Positioning Screws (JIS B 1192-1997, C accuracy grade series).
| Precision Grade | C3 | C5 | ||
|---|---|---|---|---|
| Item | V300 | V2π | V300 | V2π |
| Standard value | 8 | 6 | 18 | 8 |
Unit:μm
Standard values for variations within 300 mm of effective thread length (V300) for Transfer Screws (JIS B 1192-1997, Ct accuracy grade series).
| Precision Grade | Ct7 | Ct10 |
|---|---|---|
| V300 | 50 | 210 |
Unit:μm
[!]Actual Mean Travel Error (ep) for Transfer Screws (JIS B 1192-1997, Ct accuracy grade series) is obtained:
| Term | Symbol | Meaning |
|---|---|---|
| Actual Mean Travel Error | ep | Difference between Actual Mean Travel and Specified Travel. |
| Variation | V300 | Variation for a 300 mm span arbitrarily taken from the effective thread length. |
| V2π | Variation for an arbitrary 1 revolution (2πrad). | |
| Length | Lu | Screw Effective Length. |
For more details, click here.
Cautions
(1) Removing the ball nut from the screw shaft causes the ball to fall out rendering the ball screw unusable. Do not disassemble Ball Screws.
It may attract dusts and degrade assembly accuracy.
Use dedicated temporary shafts when removing Ball Nuts.
(2)Do not let a ball screw nut overrun. It may cause the balls to fall out or damage the ball recirculation parts.
(3) Do not tilt the ball screw assembly since a ball screw nut may spin off from a screw shaft due to its own weight.
Especially when using a ball screw vertically, place a fall-off prevention mechanism since a ball screw nut may spin off due to its own weight
(1) Do not remove the Nut
(2) Do not let a nut overrun
(3) Caution for free fall
Compatible Models
Basic Information
| Cost Efficient | Standard | Type | Precision | Nut Type | Standard Nuts |
|---|---|---|---|---|---|
| Operating Condition | Standard | Twisting Direction | Right | Nut Structure | Single |
| Nut Size | Standard |
Specification/Dimensions
-
Flange Shape
-
Square Flange -
Compact Flange
-
-
Preload
- Preloaded
- No Preload
-
Axial Play
- 0(Preload)
- 0.005 or Less
- 0.030 or Less
-
Number of Circuits(Rows X Turns)
- 3×1
- 1×2.5
-
Screw Total Length L(mm)
-
Grease Type
- Standard
- Type G
- Type L
-
Screw Shaft Surface Treatment
- None
-
type
- BSS0802
- BSS0802G
- BSS0802L
- BSSE0802
- BSSE0802G
- BSSE0802L
- BSX0601
- BSX0801
- BSX0802
-
Accuracy Grade
- C3
- C5
- C7
-
Screw Shaft O.D.(φ)
-
Lead(mm)
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 10 Days or Less
- 12 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked questions (FAQ)
- 質問: What is the allowable temperature range of your ballscrews?
- 回答: The standard allowable temperature range is 0°C to 80°C.
- 質問: Can I buy the nut or shaft separately?
- 回答: No, we do not offer the nut or shaft separately. The ball bearings inside the nut are sized to match each shaft to ensure proper clearance ranges.
- 質問: What grease is used for your Ball Screws?
- 回答: The standard grease is Alvania Grease S2 made by Showa Shell Sekiyu K.K. It is an EP 2 lithium bearing grease.
- 質問: What is the recommended lubrication schedule?
- 回答: As a rule of thumb, 100 km of linear travel is a good starting point for determining a lubrication schedule. The final schedule should be determined by the customer based on their specific appliation details (load, speed, temperature, contamination ,etc) and application experience.
- 質問: Do you offer food grade grease?
- 回答: No, we do not offer food grade grease as a standard option for ballscrews.
- 質問: What does the dynamic load rating mean?
- 回答: The basic dynamic load rating (Ca) is used to calculate the service life of a ball screw in motion with its ball screw nut under an axial load. The basic dynamic load rating Ca means an axial load at which 90% of a group of identical ball screw units independently operating under the same conditions achieve a rated load of 10^6 revs (1 million revolutions) without causing flaking.
- 質問: Do you offer screws with right and left hand threads?
- 回答: We do not offer right and left hand threads on the same shaft as standard. For large volumes, it may be a custom option. Please contact engineering with application details.
- 質問: What is the difference between pitch and lead?
- 回答: The pitch is the distance between successive crests of the thread of a screw. The lead is the axial distance traveled by a screw in one turn.
- 質問: How does temperature increase affect the Ball Screw?
- 回答: An increase in the screw shaft temperature of 1°C expands the shaft by 12μm per meter. For this reason, although the lead of the Ball Screw is machined to a very high degree of precision, the thermal deformation caused by a temperature increase may reduce positioning accuracy.
Additional Products in this Category
- Ball Screws - Screw diameter 12mm, pitch 5, 10 or 20 millimeters.
- Ball Screws - Screw diameter 20mm, pitch 5, 10 or 20 millimeters.
- Ball Screws - Screw diameter 28mm or 32mm, pitch 6, 10 or 32 millimeters.
- Ball Screws - Screw diameter 15mm, 20mm or 25mm, pitch 5 or 10 millimeters.
- Precision Ball Screws - Screw diameter 1mm, pitch 2, 4 or 10 millimeters.
- Precision Ball Screws - Screw diameter 12mm, pitch 2, 4, 5 or 10 millimeters.
- Precision Ball Screws - Screw diameter 15mm, pitch 5, 10 or 20 millimeters.
- Precision Ball Screws - Screw diameter 25mm, pitch 5, 10 or 20 millimeters.
Complementary Products
-
Ball Screw Support Unit - For the assembly of Ball Screws with Motors.
MISUMI Days to Ship : 8 Days or more
-
Ball Screw Support Unit - Fixed Side, Block Type, with Holes for Dowell Bolts.
MISUMI Days to Ship : Same day or more
MISUMI Unit Example related to this product
Tech Support
- Technical Support
- Tel：+52-442-672-7661 ext. 2 then wait and dial 4
E-mail: soportetecnico@misumimex.com - Mon. - Fri. 8 a.m. - 6 p.m.
- Technical Inquiry
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