Precision lock nut with prevailing torque type TWIN FU-NUT
Fuji Precision Co., Ltd.
About This Product
■Features
・Improved locking performance of FINE U-NUT
・Connection is completed by simply tightening the nut.
・Reusable
・Thread accuracy ISO4H
・The surface run-out accuracy of the seat surface against the screw is on the order of 1,000 minutes (mm)
■General name
Precision bearing nut Adapter nut Grooved round nut Precision lock nut
■Supported markets
・Specially equipped vehicles, construction machinery
・Agricultural equipment
・Transportation machine
・Machine tools
・Industrial equipment
・Electrical equipment
■Structure and action
"TWIN FU-NUT" has two friction rings and a spacer arranged and fixed to the top of the nut. These two friction rings are arranged so that force P and force P' generated by the spring action act equally in the symmetrical direction of the male screw axis, and the structure is such that the bearing can be fastened with an even surface load F. Masu.
■Comparison of TWIN FU-NUT and conventional products
・There are 3 basic parts.
・Simply insert and tighten.
■Steel friction ring
270° ring
■Thread accuracy
ISO4H screws and seat are processed at the same time.
■Size
M15~M50 (Available up to M110)
*Pitch: Fine thread *Other special sizes
■Shape
slotted round nut
■Material
・Nut body...S45C (tempered)
・Friction ring spacer...SUS301
■Surface treatment
Zinc phosphate film
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Product
Precision lock nut with prevailing torque type TWIN FU-NUT
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Handling Company
Fuji Precision Co., Ltd.
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Categories
9 Models of Precision lock nut with prevailing torque type TWIN FU-NUT
Items marked with have different values depending on the model number.
Click on the part number for more information about each product
| Product Image | Part Number | Price (excluding tax) | Allowable axial static load (kN) | D×p | Extra length of male thread ℓmin | Groove depth (h1) | Groove width across standard dimensions (g) | Groove width standard dimension (b) | Groove width tolerance (b) | Groove width tolerance (g) | Outer diameter standard dimension (φd2) | Outer diameter tolerance (φd2) | Overall height standard dimensions (h) | Overall height tolerance (h) | Seat diameter standard dimension (φd1) | Seat diameter tolerance (φd1) | Thread height (m) approx. | Unit weight (g) approx. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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TFU02SC |
Available upon quote | 34.1 | M15 × 1 | 10.5 | 1.8 | 21.4 | 4 | ±0.2 | 0~0.5 | Twenty five | 0~0.5 | 9.9 | ±0.5 | Twenty one | 0~0.3 | 7 | 19 |
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TFU03SC |
Available upon quote | 38.6 | M17 × 1 | 10.5 | 2 | Twenty four | 4 | ±0.2 | 0~0.5 | 28 | 0~0.5 | 10.1 | ±0.5 | 23.5 | 0~0.3 | 7 | Twenty four |
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TFU04SC |
Available upon quote | 59.4 | M20 × 1 | 12.5 | 2 | 28 | 4 | ±0.2 | 0~0.5 | 32 | 0~0.5 | 12.3 | ±0.5 | 27 | 0~0.3 | 9 | 38 |
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TFU05SC |
Available upon quote | 80.8 | M25 × 1.5 | 15.3 | 2 | 34 | 5 | ±0.2 | 0~0.5 | 38 | 0~0.5 | 14.2 | ±0.5 | 33 | 0~0.3 | 10 | 59 |
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TFU06SC |
Available upon quote | 97 | M30×1.5 | 15.3 | 2 | 41 | 5 | ±0.2 | 0~0.5 | 45 | 0~0.5 | 14.3 | ±0.5 | 40 | 0~0.3 | 10 | 82 |
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TFU07SC |
Available upon quote | 137.8 | M35 × 1.5 | 17.3 | 2 | 48 | 5 | ±0.2 | 0~0.5 | 52 | 0~0.5 | 16.5 | ±0.5 | 47 | 0~0.3 | 12 | 125 |
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TFU08SC |
Available upon quote | 171.4 | M40×1.5 | 18.3 | 2.5 | 53 | 6 | ±0.2 | 0~0.5 | 58 | 0~0.5 | 17.6 | ±0.5 | 52 | 0~0.3 | 13 | 150 |
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TFU09SC |
Available upon quote | 224.5 | M45 × 1.5 | 20.3 | 2.5 | 60 | 6 | ±0.2 | 0~0.5 | 65 | 0~0.5 | 19.7 | ±0.5 | 59 | 0~0.3 | 15 | 210 |
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TFU10SC |
Available upon quote | 266.8 | M50×1.5 | 21.3 | 2.5 | 65 | 6 | ±0.2 | 0~0.5 | 70 | 0~0.5 | 20.8 | ±0.5 | 64 | 0~0.3 | 16 | 255 |
Click on the part number for more information about each product
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About Company Handling This Product
- Japan