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 and ceramic coated aluminum Standard length tolerances are provided on page 51 No coating
C
AD
G
B
y
x
E
F
Shafting Type Ceramic coated Shafting Part No.
Nominal Dia.
Standard Hole Spacing Weight
440 Stainless Steel Part No.
Diameter Tolerance A
B
C
D
E
F
Steel Shaft Part No. SRAM12 SRAM16 SRAM20 SRAM25 SRAM30 SRAM40 SRAM50
MM MIN MAX +/-0.05
Hole Size
x
y
Kg /M
SRAM12CC SRAM12SS SRAM16CC SRAM16SS SRAM20CC SRAM20SS SRAM25CC SRAM25SS SRAM30CC SRAM30SS
12 16 20 25 30 40 50
11.9888 12 28.00 43.00 6.60 4.76 15.9893 16 28.50 48.00 7.94 6.35 19.9873 20 38.00 56.00 9.53 6.35 24.9885 25 42.00 60.00 12.70 6.35 29.9872 30 53.00 74.00 14.29 7.94 39.9872 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
N/A N/A
SRAM40SS SRAM50SS
49.9846 50 70.00 82.00 20.30 10.50 62
Note: Specify length in part number using inches. Example: for 20 mm shafting total length 914 mm long = SRAM20-0914-SL. Customer specifies 'y' dimension, if different than standard. = Take note of recent dimension change.
Support Rail – Aluminum SR & SR_PD
Non-Drilled (SRM)
Pre-Drilled (SRMxxPD)
B 2
B 2
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. = Take note of recent dimension change.
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