Shafting Rail Assemblies
Rail Assembly – Aluminum Support Rail SRA
B 2
Two piece assembly RC60 steel shaft and aluminum support rail standard Other shaft materials – 440 stainless steel, 420 stainless steel, and ceramic coated aluminum Standard length tolerances are provided on page 51 No coating
C
AD
G
B
y
x
E
F
Nominal Dia.
Standard Hole Spacing Weight
Part No.
Diameter Tolerance
A
B
C
D
E
F
Shaft Size Material**
Length
MM MIN
MAX +/-0.05
Hole Size
x
y
Kg /M
SRAM12 SRAM16 SRAM20 SRAM25 SRAM30 SRAM40 SRAM50
______ ______ ______ ______ ______ ______ ______
-_ _ _ _-SL -_ _ _ _-SL -_ _ _ _-SL -_ _ _ _-SL -_ _ _ _-SL -_ _ _ _-SL -_ _ _ _-SL
12 16 20 25 30 40 50
11.9888 15.9893 19.9873 24.9885 29.9872 39.9872 49.9846
12 28.00 43.00 6.60 4.76 16 28.50 48.00 7.94 6.35 20 38.00 56.00 9.53 6.35 25 42.00 60.00 12.70 6.35 30 53.00 74.00 14.29 7.94 40 64.00 78.00 17.46 9.53
29 33 37 42 51 55
M4 M5 M6 M8
120 60 1.80 150 75 2.59 150 75 3.61 200 100 5.86 200 100 8.80 200 100 12.70 200 100 21.98
M10 M10 M12
50 70.00 82.00 20.30 10.50 62
Part Numbers are complete when Material and Length are added. Default material is 1060 steel when no Material is specified. **For other steel options add below code into Material location: CC Ceramic Coated Shafting SS 440 Stainless Steel SS420 420 Stainless Steel Example 1: The Complete Part Number for a 1 inch diameter 440 Stainless Steel shaft of 240 mm is SRAM16 SS - 0240 -SL
Note: Specify length in part number using millimeters. Example: for 20 mm shafting total length 914 mm long = SRAM20-0914-SL. 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 on page 92.
Support Rail – Aluminum SR & SR_PD
B 2
B 2
Non-Drilled (SRM)
Pre-Drilled (SRMxxPD)
C
C
AD
AD
G
G
B
B
y
x
E
E
F
Nominal Dia.
G Mounting Bolt Size
MAX Length
Standard Hole Spacing Weight
Part No.
A
H
Fastener Length mm +0/-3.2 mm
B
C
D
E
Non-Drilled Pre-Drilled MM +/-0.05
Hole Size
Screw
x
y
Kg /M
SRM12 SRM16 SRM20 SRM25 SRM30 SRM40 SRM50
SRM12PD 12 28.00 43.00 6.60 4.76 SRM16PD 16 28.50 48.00 7.94 6.35 SRM20PD 20 38.00 56.00 9.53 6.35 SRM25PD 25 42.00 60.00 12.70 6.35 SRM30PD 30 53.00 74.00 14.29 7.94 SRM40PD 40 64.00 78.00 17.46 9.53 SRM50PD 50 70.00 82.00 20.30 10.50
29 33 37 42 51 55 62
M4 M5 M6 M8
M4 x 0.70 M5 x 0.80 M6 x 1.00 M8 x 1.25 M10 x 1.5 M10 x 1.5
20 20 30 40 40 50 70
1200 1200 1200 1200 1200 1200 1200
120 60 0.803 150 75 1.040 150 75 1.380 200 100 1.860 200 100 2.590 200 100 3.750 200 100 6.110
M10 M10
M12 M12 x 1.75
Notes: (1) Specify length in part number. Example: for 12 mm shafting support rail to 609 mm length = SRM12-0609 (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.
pbclinear.com • Engineering Your Linear Motion Solutions 93
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