Joint Units For Ball Screws and Motors (Part Numbers - CAD Download)
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·BJS20A
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[ ! ] When used together with a MISUMI ball screw, there is 1 support unit accessory collar spare.
| Type | [M] Material | [S] Surface Treatment | [A]Accessory | Applicable Motor | ||
| Main Body | Support Units | Main Body | Support Units | |||
| BJS | EN AW−5052 Equiv. | EN 1.1191 Equiv. | Clear Anodize | Black Oxide | Collar 2 pcs. Bearing Nut 1 pc. (With Set Piece) | AC Servo Motor |
| BJSM | Electroless Nickel Plating | |||||
■Features - Simplification of Assembly: With a support bearing unit already pre-installed, mounting and aligning a motor becomes simple with a build-in pilot.
·Accurate Shaft Centering: Unitized construction of ball screw and motor mounts reduces shaft misalignments.
Specification Table
| Part Number |
| BJS8A |
| Part Number | d | B1 | B2 | D1 | D2 | D3 | E | F | H1 | H2 | J | K | L | N | Q | S | T1 | T2 | W1 | W2 | X1 | X2 | Y1 | Y2 | P.C.D. | M1 (Fine) | M2 (Coarse) | d1 | ℓ | Support Units | ||
| Type | No. | BJS | BJSM | |||||||||||||||||||||||||||||
| BJS BJSM | * 8 A | 8 | 67 | 9 | 30 | 28 | 11.5 | 21 | 64 | 41 | 19 | 43 | 40 | 10 | 12 | 12 | 6 | 47 | 52 | 40 | 35 | 5 | 14 | 5.5 | 6.5 | 45 | M8 × 1.0 | M3 | 5.5 | 8 | BRW8 | — |
| * 8B | 46 | M4 | 10 | |||||||||||||||||||||||||||||
| * 10 A | 10 | 74 | 13 | 30 | 34 | 14 | 25 | 70 | 46 | 23 | 46 | 42 | 10 | 14 | 14 | 7 | 54 | 56 | 42 | 42 | 8 | 16 | 5.5 | 8 | 45 | M10 × 1.0 | M3 | 6.5 | 8 | BRW10 | BRWN10 | |
| 10B | 46 | M4 | 10 | |||||||||||||||||||||||||||||
| * 12 A | 12 | 74 | 13 | 30 | 36 | 15 | 25 | 72 | 47 | 23 | 46 | 44 | 10 | 14 | 14 | 7 | 54 | 58 | 44 | 44 | 8 | 16 | 5.5 | 8 | 45 | M12 × 1.0 | M3 | 6.5 | 8 | BRW12 | BRWN12 | |
| 12B | 46 | M4 | 10 | |||||||||||||||||||||||||||||
| 12C | 84 | 50 | 31 | 98 | 62 | 26 | 56 | 62 | 13 | 18 | 9 | 58 | 80 | 62 | 70 | M5 | 8.5 | Through | ||||||||||||||
| 15 A | 15 | 97 | 15 | 50 | 40 | 20 | 31 | 98 | 61 | 26 | 63 | 62 | 13 | 17 | 18 | 9 | 71 | 80 | 62 | 52 | 8 | 18 | 10 | 10 | 70 | M15 × 1.0 | M5 | 8.5 | 13 | BRW15 | BRWN15 | |
| 15B | 106 | 70 | 41 | 128 | 82 | 36 | 72 | 82 | 16 | 23 | 11 | 74 | 106 | 82 | 90 | M6 | 10.5 | 15 | ||||||||||||||
| 20 A | 20 | 117 | 22 | 50 | 57 | 25 | 35 | 116 | 70 | 30 | 69 | 70 | 20 | 24 | 23 | 11 | 77 | 94 | 70 | 68 | 14 | 28 | 11 | 13 | 70 | M20 × 1.0 | M5 | 10.5 | 13 | BRW20 | BRWN20 | |
| 20B | 127 | 70 | 41 | 128 | 82 | 36 | 79 | 82 | 87 | 106 | 82 | 68 | 90 | M6 | 15 | |||||||||||||||||
■ Motor Compatibility Chart
| Part Number | Motor | Part Number | Motor | ||||
| Flange Size | Manufacturer | Output (W) | Flange Size | Manufacturer | Output (W) | ||
| BJS8A BJS10A BJS12A | □38 | Panasonic | 30 | BJS (M) 12C BJS (M) 15 A BJS (M) 20 A | □60 | Yaskawa Electric Corporation | 200 |
| 50 | 400 | ||||||
| 100 | Mitsubishi Electric Corporation | 200 | |||||
| BJS8B BJS (M) 10B BJS (M) 12B | □40 | Yaskawa Electric Corporation | 30 | 400 | |||
| 50 | Sanyo Denki Co., Ltd. | 200 | |||||
| 100 | 400 | ||||||
| Mitsubishi Electric Corporation | 50 | Omron Corporation | 200 | ||||
| 100 | 400 | ||||||
| Sanyo Denki Co., Ltd. | 30 | BJS (M) 15B BJS (M) 20B | □80 | Yaskawa Electric Corporation | 750 | ||
| 50 | Mitsubishi Electric Corporation | 750 | |||||
| 100 | Sanyo Denki Co., Ltd. | 750 | |||||
| Omron Corporation | 30 | Omron Corporation | 750 | ||||
| 50 | |||||||
| 100 | |||||||
[ ! ] Selection of motors, ball screws and couplings should be made upon confirming user's application specific criteria.
[!] Other motors and couplings not listed in the chart can also be used. Confirm the mounting dimensions and specifications of each product.
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Basic information
| Type | Fixed Side Standard Type | Shape | Square Type | Mounting Method | Face Mounting |
|---|
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Complementary Products
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Ball screws / compact flange / diameter 8 / pitch 2, 4 / C7, C10 / steel / phosphated / 58-62HRC
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