Shafting Rail Assemblies
Support Rail – Aluminum SR & SR_PD
B 2
B 2
Non-Drilled (SR)
Pre-Drilled (SRxxPD)
C
C
AD
AD
G
G
B
B
y
x
E
E
F
Nominal Dia.
G Recommended Mounting Hole Size
MAX Length Weight
Standard Hole Spacing
Part No.
A
Fastener Length +0/-0.125 lb./in.
B
C
D
E
Non-Drilled
Pre-Drilled
In.
+/-0.002
X
Y
Hole
Screw
SR08-xxx.xxx SR08PD-xxx.xxx 1/2" SR10-xxx.xxx SR10PD-xxx.xxx 5/8" SR12-xxx.xxx SR12PD-xxx.xxx 3/4"
1.125 1.500 0.250 0.188 1.000 4 1.125 1.625 0.313 0.250 1.125 4 1.500 1.750 0.375 0.250 1.250 6 1.750 2.125 0.500 0.250 1.500 6 2.125 2.500 0.563 0.313 1.875 6 2.500 3.000 0.688 0.375 2.250 8 3.250 3.750 0.875 0.500 2.750 8 4.000 6.000 1.400 0.750 4.250 8
2 0.169 2 0.193 3 0.221
6-32 x 7/8" 8-32 x 7/8" 10-32 x 7/8"
7/8" 7/8" 7/8"
48 48 48 48 48 48 48 48
0.045 0.058 0.077 0.104 0.145 0.210 0.342 0.638
SR16-xxx.xxx SR16PD-xxx.xxx
1"
3 0.281 1/4-20 x 1-1/2" 3 0.343 5/16-18 x 1-3/4"
1-1/2" 1-3/4"
SR20-xxx.xxx SR20PD-xxx.xxx 1-1/4" SR24-xxx.xxx SR24PD-xxx.xxx 1-1/2"
4 0.406
3/8-16 x 2"
2"
SR32-xxx.xxx SR32PD-xxx.xxx SR48-xxx.xxx SR48PD-xxx.xxx
2"
4 0.531 1/2-13 x 2-1/2" 4 0.625 3/4-10 x 3-1/4"
2-1/2"
3
3"
Notes: (1) Specify length in part number. Example: for 1/2" shafting support rail to 24" length = SR08-024.000 (Aluminum alloy construction, no coating). (2) Shafts and support rails sold separately. Customer specifies 'y' dimension. Shaft rails and assemblies are available in long lengths, consult factory. (3) Contact PBC Linear for other available hole patterns.
Rail Assembly – Ceramic Coated CCR
C
Ceramic-like coating provides hardness up to RC70 and increased corrosion resistance Optimized for FrelonGOLD ® liners NOT to be used with linear ball bearings
D
A
( Does not apply to linear guide products – MR, UG, UGA, etc ) Economical, lightweight alternative to traditional steel shafting One-piece integrated design eliminates assembly time Weld splatter, paints, and contaminants will not stick
E
y
x
F
B
Non-magnetic and vibration resistant Pre-drilled with stand X hole spacing*
Nominal Dia.
MAX Length Weight
Standard Hole Spacing
Diameter Tolerance
A
B
C
D
E
F
Part No.
in.
MIN
MAX +/-0.002
Bolt
Hole
X 4 4 6 6 6 8 8
Y 2 2 3 3 3 4 4
in.
lb./in. 0.019 0.030 0.043 0.076 0.119 0.172 0.305
CCR08-xxx.xxx CCR10-xxx.xxx CCR12-xxx.xxx CCR16-xxx.xxx CCR20-xxx.xxx CCR24-xxx.xxx CCR32-xxx.xxx
1/2 5/8 3/4
0.4988 0.4996 1.125 1.500 0.250 0.188 1.000 0.6238 0.6246 1.125 1.625 0.313 0.250 1.125 0.7488 0.7496 1.500 1.750 0.375 0.250 1.250 0.9988 0.9996 1.750 2.125 0.500 0.250 1.500
#6 #8
0.169 0.193 0.221 0.281 0.343 0.343 0.406
120 120 120 120 120 120 120
#10 1/4"
1
1-1/4 1.2488 1.2496 2.125 2.500 0.563 0.313 1.875 5/16" 1-1/2 1.4987 1.4995 2.500 3.000 0.688 0.375 2.250 5/16"
2
1.9985 1.9995 3.250 3.750 0.875 0.500 2.750
3/8"
Notes: (1) Specify length in part number using inches.
DO NOT use with linear ball bearings or roller pillow block assemblies. * Customer specified ‘Y’ dimension.
Example: for 1/2” shafting total length 36” long = CCR08-036.000. (2) Cut-to-length rails may not be coated on the ends. (3) Contact PBC Linear for other available hole patterns.
pbclinear.com • Engineering Your Linear Motion Solutions 57
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