Cut Sheet

Pipe Straps, Conduit Clamps & Hangers
D-69
Metal Framing, Pipe Hangers and Accessories
RC-729 — Adjustable Roll SupportCR-729A — Roller Chair
Designed for longitudinal movement of pipe where vertical adjustment
is not required. Although two bolts are supplied for installation, the chair
can be alternatively welded in position.
Material: Carbon Steel Chair and Axle with Cast Iron Pipe Roll.
Use a Figure 17 when a Cast Iron Chair is required. Do
not exceed 450°F / 232°C at the contact point to the roll.
Finish: Standard Finish – GoldGalv
®
, Black (add suffix “-B”),
Electro-Galvanized (add suffix “-EG”).
For pipe with insulation and a pipe covering protection
saddle, the CR-729A will have to be oversized to suit.
Please see the Table for the RC-729A which shows
the correct sizing for insulated pipe.
Ordering: Specify pipe size, catalog number and finish.
CR-729A
CR-729A
PIPE MAX. BOLT WT.
SIZE LOAD DIMENSIONS (IN.) SIZE EACH
CAT. NO. (IN.) (LBS.) A B C D G (IN.) (LBS.)
CR-729-2A 2 300 4
7
⁄8 1
5
⁄8 1
1
⁄2 2
3
⁄8 x 1
1
⁄2 1.10
CR-729-2-1/2A 2
1
⁄2 600 4
7
⁄8 21
5
⁄8 2
3
⁄8 x 1
1
⁄2 1.40
CR-729-3A 3 600 6 2
1
⁄4 1
3
⁄4 2
3
⁄8 x 1
1
⁄2 1.60
CR-729-3-1/2A 3
1
⁄2 600 6
1
⁄2 2
5
⁄8 2
1
⁄8 2
3
⁄8 x 1
1
⁄2 2.60
CR-729-4A 4 700 7 2
7
⁄8 2
3
⁄8 2
1
⁄2
3
⁄8 x 1
1
⁄2 2.90
CR-729-5A 5 700 7
5
⁄8 3
1
⁄2 2
1
⁄2 3
1
⁄2 x 2 3.90
CR-729-6A 6 1,000 9
3
⁄4 42
3
⁄4 3
1
⁄4
1
⁄2 x 2 6.00
CR-729-8A 8 1,300 11
7
⁄8 5
1
⁄8 34
1
⁄2
5
⁄8 x 2 9.00
CR-729-10A 10 1,700 14
1
⁄2 6
3
⁄8 3
5
⁄8 5
3
⁄4 x 2
1
⁄2 13.80
CR-729-12A 12 2,300 16
1
⁄4 7
1
⁄2 4
1
⁄8 6
3
⁄4 x 2
1
⁄2 18.90
CR-729-14A 14 3,100 18
1
⁄2 8
3
⁄8 4
3
⁄4 6
1
⁄2
3
⁄4 x 2
1
⁄2 28.10
CR-729-16A 16 3,900 20 9
3
⁄8 5
3
⁄8 10
7
⁄8 x 3 34.90
CR-729-18A 18 4,200 22
3
⁄4 10
1
⁄2 69
1
⁄4
3
⁄4 x 2
1
⁄2 44.40
CR-729-20A 20 4,500 25
5
⁄8 11
5
⁄8 6
1
⁄2 10
1
⁄4
3
⁄4 x 2
1
⁄2 56.30
CR-729-24 24 6,000 30 14 7
7
⁄8 12
1
⁄4
7
⁄8 x 3
1
⁄2 87.50
Standard Finish – GoldGalv
®
, unless otherwise stated.
Material: Cast Iron Pipe Roll and Sockets, Carbon Steel Axle,
Continuous Thread Rods and Hex Nuts. Do not exceed
450°F / 232°C at the contact point to the roll.
Finish: Standard Finish – GoldGalv
®
, Black (add suffix “-B”),
Electro-Galvanized (add suffix “-EG”).
For pipe with insulation and a pipe covering protection
saddle, the RC-729 will have to be oversized to suit.
Please see the table for the RC-729A which shows
the correct sizing for insulated pipe.
Ordering: Specify pipe size, catalog number and finish.
RC-729
PIPE MAX. WT.
SIZE LOAD DIMENSIONS (IN.) EACH
CAT. NO. (IN.) (LBS.) A B D H (LBS.)
RC-729-1-1/4 1
1
⁄4 300
3
⁄8 3
3
⁄8 7
1
⁄4 1
1
⁄4 1.08
RC-729-1-1/2 1
1
⁄2 300
3
⁄8 3
5
⁄8 7
1
⁄4 1
3
⁄8 1.11
RC-729-2 2 300
3
⁄8 4
1
⁄8 7
1
⁄4 1
5
⁄8 1.65
RC-729-2-1/2 2
1
⁄2 600
1
⁄2 5
1
⁄2 8 2 2.72
RC-729-3 3 600
1
⁄2 6
1
⁄8 82
1
⁄4 2.72
RC-729-3-1/2 3
1
⁄2 700
1
⁄2 7
1
⁄8 82
5
⁄8 2.72
RC-729-4 4 700
5
⁄8 7
1
⁄8 8
1
⁄2 2
7
⁄8 3.91
RC-729-5 5 700
5
⁄8 8
3
⁄8 93
1
⁄2 4.63
RC-729-6 6 1,000
3
⁄4 9
5
⁄8 9 4 7.07
RC-729-8 8 1,300
7
⁄8 12 10 5
1
⁄8 11.40
RC-729-10 10 1,700
7
⁄8 14
1
⁄8 11 6
3
⁄8 13.70
RC-729-12 12 2,300
7
⁄8 16
1
⁄8 12 7
1
⁄2 15.90
RC-729-14 14 3,075 1 17
3
⁄4 12 8
3
⁄8 28.70
RC-729-16 16 3,970 1 19
3
⁄4 18 9
1
⁄2 42.50
RC-729-18 18 4,200 1 21
7
⁄8 18 10
1
⁄2 46.60
RC-729-20 20 4,550 1
1
⁄4 24
1
⁄4 18 11
5
⁄8 66.20
RC-729-24 24 6,160 1
1
⁄2 28
5
⁄8 24 14 102.50
RC-729-30 30 7,290 1
1
⁄2 35
1
⁄2 24 17
1
⁄2 186.80
Standard Finish – GoldGalv
®
, unless otherwise stated.
Pipe Rolls (continued)
A
D
B
C
G
A
B
D
H
RC-729