World-Class Mounting Systems

Size Guide

Ball Sizes
Arm Sizes
X
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
B Size
Holds 2 lbs / 0.91 KG
1" Ball
Phones, Action Cameras, Light Duty Tablets
C Size
Holds 4 lbs / 1.81 KG
1.5" Ball
Fishfinders, Heavy Duty Tablets
D Size
Holds 6 lbs / 2.72 KG
2.25" Ball
Monitors, Large Fishfinders
E Size
Holds 15 lbs / 6.8 KG
3.38" Ball
Heavy Monitors
Ball Sizes Short Arm Medium Arm Long Arm
B Size Overall Length 2.42" / 6.1468cm 3.73" / 9.47cm 6.00" / 15.24cm
Socket-to-Socket Length 1.75" / 4.45cm 3.00" / 7.62cm 5.31" / 13.49cm
C Size Overall Length 3.56" / 9.04cm 5.69" / 14.45cm 9.13" / 23.19cm
Socket-to-Socket Length 2.50" / 6.35cm 4.66" / 11.84cm 8.00" / 20.32cm
D Size Overall Length 5.10" / 12.95cm 8.44" / 21.44 12.98" / 32.97
Socket-to-Socket Length 3.60" / 9.14cm 6.88" / 17.48cm 11.41" / 28.98cm
E Size Overall Length 7.31" / 18.57cm 12.63" / 32.08cm N/A
Socket-to-Socket Length 4.98" / 12.65cm 9.88" / 25.10cm N/A

RAM® ATV/UTV Double Ball Rail Mount with 1/4"-20 Threaded Stud

SKU Copied
SKU: RAM-B-149Z-2-237
UPC Copied
UPC: 793442930010
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01 29 230029ram B 149z 2 2372jpg
01 29 230029ram B 149z 2 2373jpg

RAM® ATV/UTV Double Ball Rail Mount with 1/4"-20 Threaded Stud
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SKU: RAM-B-149Z-2-237
Copy UPC
| UPC: 793442930010

Overview
The RAM-B-149Z-2-237 consists of a medium length B-size double socket arm with a 1/4" -20 threaded stud and an ATV/UTV clamp base.

Information

Compatible Devices

Information

Hardware Included

(1) Strap Clamp Adapter
(2) 1/4" -20 x 2.54cm (1") Machine Screws
(2) 1/4" -20 Nylock Nuts
(1) Zinc Worm Drive Strap Clamp
(1) 15.24cm (6") Rubber Strip
(1) 1/4" -20 U-Bolt for 1.27cm (0.5") - 2.54cm (1") Rails
(1) 1/4" -20 U-Bolt for 2.54cm (1") - 3.18cm (1.25") Rails
(2) Rubber Caps
(1) U-Bolt Spacer

Clamp Range

U-Bolt: 1.27cm (0.5") - 3.18cm (1.25") diameter
Strap Clamp: 3.99cm (1.57") - 8.00cm (3.15") diameter

Socket To Socket Length

7.62cm (3")

Ball Size

B Size (1")

Weight Capacity

Standard Use: 0.91 kg (2 lbs)
Heavy-Duty Use: 0.45 kg (1 lbs)

Materials

Marine-grade aluminum
High strength composite

Packaging Type

Retail Bag

Weight

0.37 kg (0.82 lbs)

Compatible Devices

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Components

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RAM Mounts
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RAM-B-201U
RAM® Double Socket Arm - B Size Medium
01 29 230212ram B 231z 2u1jpg
RAM Mounts
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RAM-B-231Z-2U
RAM® ATV/UTV Ball Base for Rails up to 3.15" - Zinc
06 09 231057ram B 237u1jpg
RAM Mounts
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RAM-B-237U
RAM® Ball Adapter with 1/4"-20 Threaded Post - B Size


Complete Your Solution

Locking Knobs for B Size Socket Arms

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RAM Mounts
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RAM-KNOB3LSU
RAM® Key Lock Knob with Steel Insert for B Size Socket Arms
01 29 232210rap S Knob3 7u1jpg
RAM Mounts
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RAP-S-KNOB3-7U
RAM® Pin-Lock Security Knob with 7-Pin Pattern for B Size Socket Arms
07 19 230753rap S Knob3u1jpg
RAM Mounts
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RAP-S-KNOB3U
RAM® Pin-Lock Security Knob for B Size Socket Arms

RAM® Add-A-Ball Accessory Ball for B Size Socket Arms

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RAM Mounts
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RAM-B-273U
RAM® Add-A-Ball™ Accessory Ball for B Size Socket Arms
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