RAM® Double Socket Arm - D Size Long

Standard

RAM® Double Socket Arm - D Size Long

Part#:RAM-D-201U-E UPC:793442220128

RAM® Double Socket Arm - D Size Long

Part#:RAM-D-201U-E UPC:793442220128

Ball Size

B Size C Size D Size

Arm Length

Short Arm Medium Arm Long Arm

Size Guide

Size	Ball Diameter	Max Load	Best For
A	0.56″ (14.3 mm)	0.5 lb (0.2 kg)	Action cameras and other ultra-light devices
B	1″ (25.4 mm)	2 lbs (0.9 kg)	Phones, GPS units, and small tablets — the most common size
C	1.5″ (38.1 mm)	4 lbs (1.8 kg)	Large tablets, fish finders, and rougher rides
D	2.25″ (57.2 mm)	6 lbs (2.7 kg)	Rugged tablets, laptops, and heavy equipment
E	3.38″ (85.9 mm)	15 lbs (6.8 kg)	Large displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1″ B ball, while RAM-D-201 uses a 2.25″ D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

		A Size	B Size	C Size	D Size	E Size
Short	Overall Length	N/A	2.42″ (6.1 cm)	3.56″ (9.0 cm)	5.69″ (14.5 cm)	5.69″ (14.5 cm)
Short	Socket-to-Socket Length	N/A	1.75″ (4.4 cm)	2.5″ (6.4 cm)	4.66″ (11.8 cm)	4.66″ (11.8 cm)
Medium	Overall Length	2.42″ (6.1 cm)	3.73″ (9.5 cm)	5.69″ (14.5 cm)	8.44″ (21.4 cm)	12.63″ (32.1 cm)
Medium	Socket-to-Socket Length	1.75″ (4.4 cm)	3″ (7.6 cm)	4.66″ (11.8 cm)	6.88″ (17.5 cm)	9.88″ (25.1 cm)
Long	Overall Length	3.56″ (9.0 cm)	6″ (15.2 cm)	9.13″ (23.2 cm)	12.98″ (33.0 cm)	N/A
Long	Socket-to-Socket Length	3.12″ (7.9 cm)	5.31″ (13.5 cm)	8″ (20.3 cm)	11.41″ (29.0 cm)	N/A

2 239 kr

Incl. VAT

On request

This item is available on request. Leave your email and/or phone number and we’ll get back to you — it may already be on order or ready to assemble from parts in stock. If we need to source it specially, lead time is typically 6–8 weeks.

Looking for a faster option? Alternatives such as components or a different arm length are often available — contact us and we’ll help you find the right fit.

Recommended add-on

RAM® 100x100mm VESA Plate with Ball - D Size

699 kr

Details

Provides an extended reach with an overall length of 12.98" and a socket-to-socket length of 11.41"
Attaches to any D size RAM® ball component, including mounting bases and device holders double ball and socket technology allows for near-infinite adjustability of your RAM® mounting system
Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
Backed by a lifetime warranty

Related RAM® Products

RAM® Double Socket Arm - D Size Short

RAM® Double Socket Arm - D Size Medium

RAM® Double Socket Arm - D Size Long

RAM® Double Socket Arm with Jam Nut - D...

Information

Information
Resources

The RAM-D-201U-E, long double socket arm, has a socket at both ends that accommodates 2.25" ball bases. A single spring inside the arm opens the end sockets, allowing you to pivot the ball and socket connection. This socket technology allows for almost infinite adjustment and perfect viewing angles.

product dimensions	Overall Length: 12.98"
socket to socket length	11.41"
ball size	D Size (2.25")
weight capacity	Standard Use: 6 lbs Heavy-Duty Use: 5 lbs
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	1.72 kg

product dimensions	Overall Length: 12.98"
socket to socket length	11.41"
ball size	D Size (2.25")
weight capacity	Standard Use: 6 lbs Heavy-Duty Use: 5 lbs
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	1.72 kg

Knowledge Base: Socket Arms

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Size Guide

Reading part numbers

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