FSPJ

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Features

・Strongest Oldham's coupling.
・Combination of stainless steel hubs and aluminum-bronze slider:all-metal Oldham's coupling.
・The minimized clearance of the sliding surface is filled is with super-high viscosity grease, for both anti-sticking and zero backlash.

 fspj 01

Configuration and materials

 

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・Key groove shape complies with new JIS standards.Special key grooves should be shown in separate drawings.
・For d1 and d2,ordera for hole diameters other than the standard values can be made.
・Feel free to consult us about custom orders.
・Combinations of set screw and clamp styles can also be costomized.

Dimensions of key groove shape

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Hole diameter
d1,d2		KbtNominal dimension of keys
bxh
Basic dimen
sion		Tole
rance		Basic dimen
sion		Tole
rance
15-17 5 5 ±0.0150 2.3 +0.1
0		 5x5
17-22 6 6 2.8 6x6
22-30 8 5 ±0.0180 3.3

 +0.2
0		 8x7
30-35 10 10 10x8

Dimensions

Item
No.		D 

Standard hole diameters ød1,ød2 H8

d3LL1F

Clearance

of the sliding

surface

M 

Fastening
torque*
(N⋅m)
FSPJ44  44   15   18   20   22                                 22.5 43.6 15 7.5 0.01-0.025 5 3.6
FSPJ55 55       18   20   22   25   28                         29 49.4 17 8.5 0.01-0.03 6 6
FSPJ70 69           20   22   25   28   30   32   35             36 57 20 10 0.01-0.035 8 14

* FSPJ couplings require key groove processing.

* Always indicated the hole diameter and key groove dimensions.

Specifications

Item

No.

Rated torque

(N⋅m)

Maximum

Rotating speed

(rpm)

Allowable parallel

misalignment

(mm)

Allowable angular

misalignment

(°)

Allowable

end play

(mm)

Torsional rigidity
(N⋅m/rad)		Moment of inertia
(kg⋅m2)		Mass
(g)
FSPJ44 60 10,000 0 0.2 0.3 65,000 1.7x10-4 380
FSPJ55 90 10,000 1.2 0.2 0.5 100,000 3.3x10-4 750
FSPJ70 100 10,000 1.6 0.2 0.6 180,000 1.1x10-3 1,300

1. The above specifications are for an envisioned lifespan of approximately 108, and tolerance values are for isolated use. In the event of compound misalignment, torque margines

    must be increased based on the number of elements and the degree of misalignment.

2. In usage environments in which eccentricity, torque, or rotation speed exceed 50% of their respective tolerances, regularly apply grease to prevent seizure and abnormal abrasion.

3. This coupling is a high-precision, high-rigidity coupling, so the parallelism of the shaft is especially important. If there is declination then evry 90° there will be rotation resistance,

    producing rotationalvibration and noise.

4. The amount of ecentricity must also be kept at a minimum for high-speed rotation.

 

 

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