RAM® Universal Double Ball Mount with Two Round Plates - B Size Medium

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RAM® Universal Double Ball Mount with Two Round Plates - B Size Medium

Part#:RAM-B-101U UPC:793442101014

RAM-B-101U:RAM-B-101U_2:RAM® Universal Double Ball Mount with Two Round Plates - B Size Medium

RAM-B-101U:RAM-B-101U_3:RAM® Universal Double Ball Mount with Two Round Plates - B Size Medium

RAM® Universal Double Ball Mount with Two Round Plates - B Size Medium

Part#:RAM-B-101U UPC:793442101014

Ball Size

B Size C 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

619 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® Pin-Lock™ Security Knob for B Size Socket Arms

169 kr

Details

Drill-down mounting solution choose either round plate featuring the AMPS hole pattern for attachment to compatible device holders
Includes two round ball bases and B size medium length double socket arm ball and socket technology allows for near-infinite adjustability
Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
Backed by a lifetime warranty

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Information

Information
Resources

The RAM-B-101U consists of a medium length B size 1" double socket arm and two 2.5" diameter round ball bases that contain the universal AMPS hole pattern. The ball and socket system provides shock and vibration damping, and allows for near-infinite adjustability to achieve an ideal viewing and operating angle of your device.

product dimensions	Overall Height: 5"
socket to socket length	3"
hole pattern	4-Hole AMPS: 1.181" x 1.496" 3-Hole 120-Degree: 1.812" Diameter
plate size	2.5" Diameter
ball size	B Size (1")
weight capacity	Standard Use: 2 lbs Heavy-Duty Use: 1 lb
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	0.268 kg

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Size Guide

Reading part numbers

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