- Screw Shaft O.D.(mm)
- 12
- 14
- Lead(mm)
- 4
- 5
- 10
- Axial Play
- 0.030 or Less
- 0.10 or Less
- 0.10 or Less
- 0.05 or Less
- Shaft Overall Length L(mm)[150-800/1mm units]
- Shaft End Length F(mm)
- 15
[15-24/1mm units] - Shaft Dia. P(Ø)
- 8
[5-8/1Ø units] - Screw Shaft Surface Treatment
- Shaft End Dimension (Fixed, Configurable)
- Type
- BSRR1204
- BSRR1204G
- BSRR1204L
- BSRR1210
- BSRR1210G
- BSRR1210L
- BSRR1405
- BSRR1405G
- BSRR1405L
- BSRRK1204
- BSRRK1204G
- BSRRK1204L
- BSRRK1210
- BSRRK1210G
- BSRRK1210L
- BSRRK1405
- BSRRK1405G
- BSRRK1405L
- BSSR1204
- BSSR1204G
- BSSR1204L
- BSSR1210
- BSSR1210G
- BSSR1210L
- BSSR1405
- BSSR1405L
- BSSRK1204
- BSSRK1204G
- BSSRK1204L
- BSSRK1210
- BSSRK1210G
- BSSRK1210L
- BSSRK1405
- BSSRK1405G
- BSSRK1405L
- BSST1204
- BSST1204G
- BSST1204L
- BSSZ1204
- BSSZ1204G
- BSSZ1204L
- BSSZ1210
- BSSZ1210G
- BSSZ1210L
- BSSZ1405
- BSSZ1405G
- BSSZ1405L
- BSSZK1204
- BSSZK1204G
- BSSZK1204L
- BSSZK1210
- BSSZK1210G
- BSSZK1210L
- BSSZK1405
- BSSZK1405G
- BSSZK1405L
- ｃ
- CAD
- 2D
- Uppskattade leveransdagar
- Alla
- Inom 7 arbetsdagar
- Inom 9 arbetsdagar
- Inom 21 arbetsdagar
- Inom 23 arbetsdagar
Ball screws / compact flange / diameter 12, 14 / pitch 4, 5, 10 / C7, C10 / steel / phosphated / 58-62HRC
Artikelnummer:
kandidater hittades.Skiss och specifikationstabell
Dimensional Drawing
BSST·BSSR (K)·BSSZ (K)·BSRR (K)
View X-X
● Shaft Dia. 12, Lead 10
BSSR (K)·BSSZ (K)·BSRR (K)
View X-X
● Shaft Dia. 14, Lead 05
BSSR (K)·BSSZ (K)·BSRR (K)
View X-X
| Nut Type | Type | Accuracy Grade | Shaft Dia. | Lead | Screw Shaft | Nut | |||||
| Standard | F, P Configurable | [M] Material | [H] Hardness | [S] Surface Treatment | [M] Material | [H] Hardness | [S] Surface Treatment | ||||
| Standard Nut | BSST | — | C7 | 12 | 4 | EN 1.1203 Equiv. | Induction hardened 56 to 62HRC | — | EN 1.7264 Equiv. | Carburized 58 to 62HRC | [ ! ] Phosphate Conversion Coating |
| BSSR | BSSRK | C10 | 12·14 | 4·5·10 | Phosphate Conversion Coating | Phosphate Conversion Coating Coating treatment | |||||
| BSSZ | BSSZK | — | |||||||||
| BSRR | BSRRK | Low Temperature Black Chrome Plating | |||||||||
Specification Table
| Part Number | — | L | — | F | — | P |
| BSSZ1204 BSSZK1210  BSSR1204L BSSR1405G | — — — — | 200 370 370 370 | ||||
| — | F20 | — | P8 | |||
| (L Type Greased) | ||||||
| (G Type Greased) | ||||||
| Nut Type | Accuracy Grade | Part Number | 1 mm Increments | Y | Ball Dia. | Ball Center Dia. | Screw Root Dia. | Number of Circuits | Basic Load Rating | Axial Play Clearance | Twisting Direction | |||||
| Type | Screw Shaft O.D. | Lead | L | * F | * P | C (Dynamic) kN | Co (Static) kN | |||||||||
| Standard Nut | C7 | BSST | 12 | 04 | 150 to 795 | 15 | 8 | L－65 | 2.3812 | 12.6 | (10) | 2.5 turns, 1 row | 2.6 | 5.8 | 0.03 or Less | Right |
| C10 | BSSR BSSZ BSRR | 150 to 800 | 0.05 or Less | |||||||||||||
| BSSRK BSSZK BSRRK | 15 to 24 | 5 to 8 | L－ (50+F) | |||||||||||||
| BSSR BSSZ BSRR | 10 | 150 to 800 | 15 | 8 | L－65 | 3.175 | 12.8 | (9.6) | 1.5 turns, 1 row | 2.85 | 4.95 | 0.10 or Less | ||||
| BSSRK BSSZK BSRRK | 15 to 24 | 5 to 8 | L－ (50+F) | |||||||||||||
| BSSR BSSZ BSRR | 14 | 05 | 150 to 800 | 15 | 8 | L－65 | 14.5 | (11.2) | 2.5 turns, 1 row | 4.4 | 7.3 | |||||
| BSSRK BSSZK BSRRK | 15 to 24 | 5 to 8 | L－ (50+F) | |||||||||||||
| * F and P are configurable for BSSRK, BSSZK, and BSRRK only. [!] F ≤ P × 3. [!] Y (Nut Motion Range) > (Nut Overall Length). kgf = N × 0.101972 | ||||||||||||||||
Alterations
| Part Number | — | L | — | F | — | P | — | (FC·KC, etc.) |
| BSSR1204 | — | 270 | — | SC7 |
| Alterations | Code | Spec. | Alterations | Code | Spec. | |||||||||||||
No Machining on Both Shaft Ends [ ! ]A nut is mounted to the temporary shaft before the product is shipped. | WNC | Does not machine any of the both shaft ends. Ordering Code WNC-S20-F80 [ ! ] Annealing may lower hardness on the annealed area + 25 mm fore and aft. [ ! ]S+F ≤ L/2 [ ! ]L－ (S+F) ≤ Y+50 [ ! ] On the annealed area + 25 mm fore and aft, axis run-out may be larger than indicated by the Catalog standard. | Wrench Flats on Fixed Side Incomplete Hardened Area | SZC | Adds wrench flats on the fixed side shaft end.
crosses the wrench flats. | |||||||||||||
No Machining on Support Side Shaft End | NC | No machining added on the support side shaft end. Ordering Code NC | Keyway on Fixed Side Shaft End | KC | Adds a keyway on the fixed side shaft end. [NG] Not applicable to P = 5. KC = 1 mm Increments Ordering Code KC10 [ ! ]3 ≤ KC ≤ P × 3 KC ≤ F－1 | |||||||||||||
Ball Nut Orientation Reversed
| RLC | Changes the nut direction. Ordering Code RLC | Keyway on Fixed Side Shaft End | KLC | The position of keyway on fixed side shaft end can be specified. (Keyway dimensions are the same as KC.) [NG] Not applicable to P = 5. K, S = 1 mm Increments Ordering Code KLC-K5-S2 [ ! ]4 ≤ K+S ≤ P × 3 K+S ≤ F－1 | |||||||||||||
No Retaining Ring Groove on Support Side Shaft End | RNC | No Retaining Ring Groove on Support Side Shaft End. Ordering Code RNC [NG] Combination with FC is not available. | Flat Machined on Fixed Side Shaft End | SC | Adds a flat on the fixed side shaft end. SC = 1 mm Increments Ordering Code SC7 [ ! ]5 ≤ SC ≤ P × 3 SC ≤ F－1 | |||||||||||||
Change Support Side Shaft End Machining | GC | Changes the machining on the support side. For the screw shaft 12, Q is selectable from 6 or 8; for the screw shaft 14 , Q is selectable from 6, 8 or 10 G = 1 mm Increments Ordering Code GC-Q8-G20 [ ! ] 5 ≤ G ≤ Q × 3 [ ! ] Y dimension is shortened. [ ! ] No Retaining Ring Groove [ NG ] Combination with FC is not available | Flat Machined on Fixed Side Shaft End (2 Locations) SWC SGC  | SWC SGC | Adds two flats on the fixed side shaft end. SWC: 90° Position SGC: 120° Position 1 mm Increments Ordering Code SWC7 [ ! ]5 ≤ SWC·SGC ≤ P × 3 SWC·SGC ≤ F－1 | |||||||||||||
Change Support Side Shaft End Length | FC | Changes the length of the support side shaft end. FC = 1 mm Increments Ordering Code FC20 [ ! ]11 ≤ FC ≤ 20 [ ! ] Y dimension is shortened. [NG] Combination with GC is not available | Installing Special Temporary Shaft | TAS | Dedicated Temporary Shafts suitable for Ball Screws are installed. When removing Nut from Screw Shaft, always use Special Temporary Shaft. | |||||||||||||
Artikelnummerlista
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Detaljerad information
Skiss och specifikationer
Specifications/Overview
[ ! ] 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).
[ ! ] Alternative grease types available.
[ ! ] Cautions: Do not let the nuts overrun or remove the nuts from the screw shafts. It may cause the balls to fall out or damage the ball recirculation parts.
[ ! ] The collar included with this product should be installed in the same position as indicated with the "*Collar" text on the drawing.
In addition, the collar included with the Support Unit product should be installed and tightened on the nut side of the ball screw.
[ ! ] Note that, when a ball screw shaft or ball screw nut is tilted, it may be fallen out by its own weight.
| Ball Screw Part Number | Recommended Support Unit | |||||||
| Type | Screw Shaft O.D. | Lead | Part Number | Shape | Fixed Side | Support Side | ||
| Type | No. | |||||||
| BSST BSSR BSSZ BSRR | 12 | 04 10 | BRW | 10S | Round | ○ | ||
| BUR | 10 | ○ | ||||||
| BSW | 10S | Square | ○ | |||||
| BUN | 10 | ○ | ||||||
| BSSR BSSZ BSRR | 14 | 05 | BRW | 10 | Round | ○ | ||
| BUR | 10 | ○ | ||||||
| BSW | 10 | Square | ○ | |||||
| BUN | 10 | ○ | ||||||
| Ball Screw Part Number | Recommended Nut Bracket | ||||
| Type | Screw Shaft O.D. | Lead | Part Number | ||
| Type | No. | ||||
| BSST BSSR BSSZ BSRR | 12 | 04 | BNFB BNFM BNFR BNFA | 1204R | |
| 10 | 1210S | ||||
| 14 | 05 | 1405R | |||
General Information - Ball Screws
Ball Screw Selection Details
- Material: steel
- Coatings: uncoated, LTBC coating, phosphate conversion coating
- Heat treatment: up to 62HRC
- Precision category: C3, C5, C7, C10
- Precision classes: precision class, standard class
- Slope: 1 to 32 mm
- Outer diameter: 6 to 32 mm
- Length (mm): 100 to 2000
- Nut shape: round flange, square flange, compact flange, block shape
Description/Basics
Ball screws are intended for converting rotary motion to linear motion. This can also be done in reverse order from linear to rotary motion. With the ball screws, this is achieved extremely precisely due to their low play. In mechanical engineering, the ball thread drive is an indispensable feature and is indispensable in precision applications. These work in horizontal and vertical orientation, allowing to shift, raise and lower devices.
The ball screws are often driven by motors and shaft couplings, or manually via rotary/crank handles.
When utilising a keyway, it is recommended using a machine key, as these can be combined excellently due to the manufacturing tolerances.
For a smooth process, it is recommended installing the ball screw with a fixed bearing and a floating bearing. This ensures that the ball screw does not bend due to compression and generate vibrations. For this purpose, MISUMI offers the right support units drives in various designs. For more information on how to install ball screws, see the Installation Instructions available as a PDF.
Ball screw nuts are available in different shapes. These enable versatile utilisation, even in confined spaces. Due to their high precision, the ball screws can also provide a high level of repeatability that is necessary in precise positioning applications. These can be utilised, for example, for measuring devices or in 3D printing. It is recommended to use a pre-stressed ball screw for highly precise applications. Due to the pre-tensioning, the axial play is almost zero unlike a conventional ball screw. In addition, MISUMI offers single axis actuators (locating units) for such applications, which as drives are already equipped with precise ball screws.
In smaller applications, a slide screw or a so-called miniature screw drive can be used. Due to their design, these are very compact, but suitable for lower axial loads.
If very high forces occur, a lead screw could also be considered.
Which ball screw is the right one for your application must be calculated based on the existing factors and influences. You can use the selection Ball Screws that is available as a PDF for this purpose. You can also find the service life calculation in this link.
Application Examples - Ball Screws
Application example for positioning stages
(1) Linear guide accessories, (2) Standard linear guide, (3) Table plate (meviy), (4) Ball screw, (5) Support units
Application example for the ball screw
(1)) Support units, (2) Ball screw nut stops, (3) Ball screw, (4) Ball screw nut mountings
Application example for a lifting device
(1) Ball screw, (2) Standard linear guide, (3) Support units, (4) Table top (meviy)
(1) Ball screw, (2) Standard linear guide, (3) Support units, (4) Table top (meviy)
Industrial Applications
