Back to Product Specs
Stock Number:
USS140-86-QT
Stair Diameter:
14'- 0"
(426.72cm)
Minimum Opening:
87" x 110
(220.98cm x 279.4cm)
Outside Radius:
84"
(213.36cm)
Inside Radius:
43"
(109.22cm)
Stringer Width, Outer:
11 - 1/4"
(28-58cm)
Stringer Width, Inner:
8"
(20.32cm)
Stringer Thickness:
2"
(50.8mm) - Opt. 2 -1/2" (63.5mm) or 3" (76.2mm)
Tread Width at Outer Stringer:
12 -1/2"
(31.75cm)
Tread Width at Inner Stringer:
7 - 1/2"
(19.05cm)
Tread Thickness:
1 - 1/2"
(38.1mm)
Tread Passageway:
37"
(93.98cm) - Opt. 35" (88.9cm) or 36" (91.44cm)
Handrail Width:
4 - 1/2"
(11.43cm) - Opt. 5 - 1/2" (13.97cm)
Handrail Thickness:
2"
(50.8mm) - Opt. 2 - 1/2" (63.5mm) or 3"
(76.2mm)
Baluster Spacing:
Approx. 6"
(15.24cm), - Opt. 4" (10.16cm), or alternating
2", 3", 2"
Turn per Inch of Rise:
0.9375 Degrees
Rise per Degree of Turn:
1.067"
(27.l mm)
Floor to Floor
Risers
Degrees of Turn
74" to 82" (187.96cm to 208.28cm)
10
62 to 69 Degrees
>82"
to 90" (208.28cm to 228.60cm)
11
69
to 77 Degrees
>90"
to 98" (228.60cm to 248.92cm)
12
77
to 84 Degrees
>98"
to 106" (248.92cm to 269.24cm)
13
84
to 92 Degrees
>106"
to 114" (269.24cm to 289.56cm)
14
92
to 99 Degrees
> 1 14" to 122" (289.56cm to 09.88cm)
15
99 to 107 Degrees
Tread Capacity lbs. / kgs.
1080 / 492
Stair Capacity lbs. / kgs. @ 114" Ht.
7306 / 3316
Specifications for heights up to 190" (4.83m) are available upon request.
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