Shafting Rail Assemblies
Rail Assembly – Aluminum Support Rail SRA
Two piece assembly RC60 steel shaft and aluminum support rail standard Other shaft materials – 440 stainless steel, 316 stainless steel, and ceramic coated aluminum No coating
B 2
C
AD
G
Available cut-to-length, tolerance:
B
y
x
3/16" – 1-1/4" shaft = +/- 0.030" 1-3/8" – 2" shaft = +/- 0.060" 2-1/2" – 4" shaft = +/- 0.125"
E
F
Shafting Type
Standard Hole Spacing Weight
Nominal Dia.
Diameter Tolerance
Ceramic Coated Shafting* Part No.
440 Stainless Steel Part No.
316 Stainless Steel Part No.
A B
C
D
E
F
Steel Shaft Part No.
in.
MIN MAX +/-0.002
Bolt
Hole X Y lb./in.
SRA08 SRA08CC SRA08SS SRA08SS316 1/2 0.4988 0.4996 1.125 1.500 0.250 0.188 1.000 #6 0.169 4 2 0.101 SRA10 SRA10CC SRA10SS SRA10SS316 5/8 0.6238 0.6246 1.125 1.625 0.313 0.250 1.125 #8 0.193 4 2 0.145 SRA12 SRA12CC SRA12SS SRA12SS316 3/4 0.7488 0.7496 1.500 1.750 0.375 0.250 1.250 #10 0.221 6 3 0.202 SRA16 SRA16CC SRA16SS SRA16SS316 1 0.9988 0.9996 1.750 2.125 0.500 0.250 1.500 1/4" 0.281 6 3 0.328 SRA20 SRA20CC SRA20SS SRA20SS316 1-1/4 1.2488 1.2496 2.125 2.500 0.563 0.313 1.875 5/16" 0.343 6 3 0.493 SRA24 SRA24CC SRA24SS SRA24SS316 1-1/2 1.4987 1.4995 2.500 3.000 0.688 0.375 2.250 5/16" 0.343 8 4 0.711 SRA32 SRA32CC SRA32SS SRA32SS316 2 1.9985 1.9995 3.250 3.750 0.875 0.500 2.750 3/8" 0.406 8 4 1.231 SRA48 SRA48CC SRA48SS SRA48SS316 3 2.9983 2.9992 4.000 6.000 1.400 0.750 4.250 3/4" 0.630 8 4 2.641
Part Numbers are complete when Length and Type are added. Example: SRA16SS-024.000-SL is the complete Part Number for a 1 inch diameter 440 Stainless Steel shaft of 24 inches
Note: Specify length in part number using inches.
Example: for 1/2" shafting total length 36" long = SRA08-036.000. Customer specifies 'y' dimension, if different than standard. Contact PBC Linear for other available hole patterns. * For diameter tolerances on Ceramic Coated Shafting, see tables at the bottom page 54
56 Round Shaft Technology • pbclinear.com
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