RV Drawer Slides & Socket Size Guide

Repairing a sticking RV drawer or replacing its slides? The first decision is which track system you have. Paired ball-bearing slides mount and operate differently from a single centre rail with a rear socket and roller guides. Compare the original parts before ordering: a slide of the right length still needs the right width, mounting points and drawer clearance.

What kind of RV drawer mechanism do you have?

Two side-mounted slide railsOne rail assembly on either side of the drawer. RV Designer D412–D424 are 45 mm ball-bearing slide sets in different lengths.

Single rail with rear socketA single track is received by a bracket at the back of the cabinet. Socket opening shape and size determine which rail it will accept.

Roller guides and repair piecesSome cabinets use small plastic guide parts and a rail. A repair kit may replace worn pieces without requiring new side-mounted slides.

These simplified symbols explain the mechanism families; they are not scale drawings, installation templates or statements of direct compatibility.

RV Designer ball-bearing drawer slide lengths

RV Designer's D-series shown here uses 45 mm ball-bearing slides supplied as matching sets. Choose the length by measuring the original slide and available cabinet depth—not the drawer-front width.

RV Designer model	Listed slide length	Slide construction	Supplied
D412	12 in	45 mm ball-bearing slide	One matched pair
D414	14 in	45 mm ball-bearing slide	One matched pair
D418	18 in	45 mm ball-bearing slide	One matched pair
D420	20 in	45 mm ball-bearing slide	One matched pair
D422	22 in	45 mm ball-bearing slide	One matched pair
D424	24 in	45 mm ball-bearing slide	One matched pair

Length isn't the only fit requirement. Confirm the existing rail profile, side clearance, travel, cabinet depth and mounting-hole positions. A 24-inch rail will not necessarily fit a 24-inch-deep drawer cavity once the drawer back and clearances are considered.

JR Products drawer socket identification chart

The dimensions below describe the opening that accepts the drawer track and the socket depth. They are not the same as a product's overall width or its mounting-hole spacing.

JR part	Socket shape	Track opening (width × height)	Socket depth
JR 70715	Question-mark	0.375 × 1.090 in	2.125 in
JR 70725	Small C	0.375 × 0.850 in	2.125 in
JR 70735	Large C	0.437 × 0.980 in	2.375 in

JR 70715 is the question-mark-shape socket. JR 70725 uses the small C-shape opening, while 70735 uses the larger C profile. Each is an adjustable socket set supplied with mounting screws. Even though all three are described as suitable for universal applications, their openings differ, so verify the original rail's shape and measurement before ordering.

Five checks before you replace drawer hardware

Identify the railCheck whether the drawer has two ball-bearing side slides or a single track with rear support. Do not mix parts between different systems based only on appearance.

Measure with the drawer removedRecord rail length, inside cabinet depth, side clearance, track opening and existing screw positions. Support the drawer and follow its removal mechanism.

Inspect the surrounding woodBroken sockets may be caused by misalignment or loose backing. Check mounting material and drawer travel before fitting a new component.

Find the matching drawer parts

Ball-bearing slide sets

RV Designer D412 12-inch ball-bearing drawer slide pair catalog photo

RV Designer D412 — 12-inch slides45 mm ball-bearing slide set; two matching rails. Compare length and mounting clearances before replacing an existing track.View product and availability

RV Designer D414 14-inch ball-bearing drawer slide pair catalog photo

RV Designer D414 — 14-inch slides45 mm ball-bearing slide set; two matching rails. Compare length and mounting clearances before replacing an existing track.View product and availability

RV Designer D418 18-inch ball-bearing drawer slide pair catalog photo

RV Designer D418 — 18-inch slides45 mm ball-bearing slide set; two matching rails. Compare length and mounting clearances before replacing an existing track.View product and availability

RV Designer D420 20-inch ball-bearing drawer slide pair catalog photo

RV Designer D420 — 20-inch slides45 mm ball-bearing slide set; two matching rails. Compare length and mounting clearances before replacing an existing track.View product and availability

RV Designer D422 22-inch ball-bearing drawer slide pair catalog photo

RV Designer D422 — 22-inch slides45 mm ball-bearing slide set; two matching rails. Compare length and mounting clearances before replacing an existing track.View product and availability

RV Designer D424 24-inch ball-bearing drawer slide pair catalog photo

RV Designer D424 — 24-inch slides45 mm ball-bearing slide set; two matching rails. Compare length and mounting clearances before replacing an existing track.View product and availability

Rear drawer slide sockets

JR Products 70715 Question-mark-shape rear drawer slide socket catalog photo

JR 70715 — Question-mark socketTrack opening 0.375 × 1.090 in; socket depth 2.125 in. Match the rail cross-section and mounting arrangement.View product and availability

JR Products 70725 Small C-shape rear drawer slide socket catalog photo

JR 70725 — Small C socketTrack opening 0.375 × 0.850 in; socket depth 2.125 in. Match the rail cross-section and mounting arrangement.View product and availability

JR Products 70735 Large C-shape rear drawer slide socket catalog photo

JR 70735 — Large C socketTrack opening 0.437 × 0.980 in; socket depth 2.375 in. Match the rail cross-section and mounting arrangement.View product and availability

Single-rail and repair kits

JR 70985 contains plastic pieces for drawer-slide repairs. JR 70995 is a separate single-bar track kit with a 22-inch mounting-hole span; that number does not describe the track's entire outside length. RV Designer H303 includes a rail, rear socket, corner guides and hardware for drawers up to 24 inches long. These are different repair approaches, not substitutes for the D-series ball-bearing slide pairs.

JR Products 70985 drawer slide repair kit product listing photo

JR Products 70985 — Drawer slide repair kitPlastic repair components and mounting screws for a sliding cabinet or desk drawer.View kit and availability

JR Products 70995 universal single-bar slide kit product listing photo

JR Products 70995 — Universal single-bar slide kitSingle-bar track system with plastic fittings; the track measures 22 inches between mounting holes.View kit and availability

RV Designer H303 drawer slide repair kit for drawers up to 24 inches product listing photo

RV Designer H303 — Drawer slide repair kit for drawers up to 24 inchesIncludes a slide, rear socket, two corner guides, 24-inch rail and mounting screws.View kit and availability

Related cabinet hardware guides

If the drawer works but its cabinet door won't stay closed, use the cabinet catches and magnetic latches guide. For doors that sag or will not stay raised, see cabinet hinges and overhead-door supports.

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RV Drawer Slides, Rear Sockets & Repair Parts Size Guide