Deltana S35BB-R 3-1/2" x 3-1/2" Square Hinge, Ball Bearing, Residential, Steel (Pair)

The S35BB-R measures 3-1/2" x 3-1/2" with square corners, so it drops into an existing square-corner mortise of the same size. If the door and jamb you're replacing have radius (rounded) corner cutouts, the square corners will leave a gap at each corner and you'd want a radius-corner hinge instead. Check the existing mortise before ordering.

No. The S35BB-R is a residential steel hinge, and Deltana positions the steel line for indoor use. For a commercial opening or a high-traffic corridor door, go to a commercial ball bearing hinge such as the Orca Hardware 3535 Series 4-1/2" x 4-1/2" square corner ball bearing hinge or a Don-Jo HWBB84545 heavy weight ball bearing hinge.

Ball bearings sit between the knuckles and carry the door's weight on a rolling surface, so the door swings quieter and the hinge wears less under a heavier slab or frequent use. The Deltana S35BB-R is the ball bearing version. Plain bearing hinges are metal-on-metal at the knuckle and are the usual choice for lighter, low-traffic interior doors: comparable options in the same 3-1/2" x 3-1/2" square corner size include the Emtek 91013 residential plain bearing pair and the Schlage Residential S3P1010 3-pack.

Not where pin security matters. The S35BB-R does not have a non-removable pin, so on an out-swinging door with the barrel on the outside the pin can be driven out. Deltana's steel hinges are meant for indoor applications. If you need pin security on a swing-out opening, use an NRP hinge such as the Hager BB1168 full mortise ball bearing hinge in the non-removable pin version, or for an exterior residential door look at the Delaney 4" x 4" exterior residential hinge.

Same size and corner style, a few routes: Deltana S35BB-R is the ball bearing pair in steel. The Delaney RH35 series is a bulk steel residential interior hinge in 3-1/2" x 3-1/2", though with a 5/8" radius corner rather than square. For square corners in that size, the Emtek 94013 heavy duty ball bearing pair and the Schlage Residential S3P1010 3-pack both match the cutout. If your units already have 4" mortises, none of these fit and you want a 4" x 4" hinge such as the Orca 4040 Series.

No. The Deltana S35BB-R is a plain full mortise steel hinge with no wire path through the leaf. Power transfer needs an electrified hinge: the Command Access ETH-CB70 is an energy transfer hinge with a 3 knuckle standard weight steel base rated medium duty, and the ETH-BB68 is the 5 knuckle heavy duty steel base version. If the opening also has to report door position, the Command Access ETM-CB70 is an energy transfer monitor hinge with door position sensing on a 3 knuckle steel base. Those replace one hinge in the set; the remaining leaves can stay conventional.

The Emtek 94013 is the nearest match. It is a heavy duty ball bearing hinge sold as a pair in 3-1/2 inch by 3-1/2 inch with square corners in plated steel, the same size and square corner profile as the Deltana S35BB-R, which is a 3-1/2 inch by 3-1/2 inch steel ball bearing hinge with square corners. Both drop into an existing square-corner mortise of that size without repreparing the jamb, so a property manager matching what is already hung on the other doors can use either.

Yes. The Emtek 91013 is a residential plain bearing hinge sold as a pair in 3-1/2 inch by 3-1/2 inch with square corners in plated steel, and the Schlage Residential S3P1010 is a 3.5 inch by 3.5 inch square corner plain bearing mortise hinge sold in packs of three. Both are plain bearing rather than the ball bearing construction of the Deltana S35BB-R. Plain bearing knuckles carry the leaf without the bearing races, which is the usual choice on a closet or bedroom door that sees light cycling; the S35BB-R's ball bearings are the pick where the door is heavier or opened all day.

Step up to a commercial ball bearing hinge. The Orca Hardware 3535 Series is a 4-1/2 inch by 4-1/2 inch square corner ball bearing commercial hinge rated medium duty, and the Delaney CH401X is a 4 inch by 4 inch commercial ball bearing hinge with square corners. Both are larger leaves than the Deltana S35BB-R's 3-1/2 inch by 3-1/2 inch and require a mortise cut to their own size, so plan the jamb and door prep around the leaf you choose rather than reusing a 3-1/2 inch pocket. The S35BB-R itself is specified for residential use.

No. The Deltana S35BB-R has square corners, and a square leaf will not seat cleanly in a pocket routed with a radius. For a 3-1/2 inch opening already cut with a radius, the Delaney RH35xx is a 3-1/2 inch by 3-1/2 inch bulk steel residential interior hinge with a 5/8 inch radius, sold as a pair. The Orca 3514 Series is a 3.5 inch by 3.5 inch commercial hinge with a 1/4 inch radius corner if the existing pocket uses the tighter radius instead. Match the radius on the door before ordering, since 5/8 inch and 1/4 inch pockets are not interchangeable.

No. The Deltana S35BB-R is not a non-removable pin hinge, so the pin stays accessible from the hinge side. For an out-swinging opening where the hinge barrel is exposed, the Hager BB1168 NRP is a non-removable pin full mortise ball bearing hinge in heavy duty. It keeps the ball bearing construction of the S35BB-R while adding the set screw feature that keeps the pin captive.

No. The S35BB-R is a full mortise butt hinge, symmetrical about the barrel, so the same pair works on a left or right hand door. What you do need to match is the size and corner style of the existing cutout: 3-1/2" x 3-1/2" with square corners.

Five finishes: oil rubbed bronze, polished nickel, brushed nickel, paint black, and polished chrome. That covers the common residential lever and knob finishes, so a property manager standardizing a building can match hinges to existing trim across units without mixing hinge sizes.

Leaf thickness is 0.085 inches, which is standard residential gauge. Set into a mortise cut to that depth the leaf sits flush and the door keeps its normal reveal. If the hinge you're pulling out is a thinner builder-grade leaf, plan on deepening the mortise slightly or the door will bind on the strike side.

The S35BB-R uses an arc hole pattern, the staggered arrangement standard on 3-1/2 inch residential butt hinges, and ships with #9 x 3/4 wood screws. Replacing a like-sized residential hinge, the holes usually land on or very near the existing ones. Coming off a straight-line pattern, expect to drill fresh pilots.

Full mortise. Both leaves recess, one into the door edge and one into the jamb, and neither is visible with the door closed except the barrel. That means you need a routed pocket in both the door and the frame at 3-1/2" x 3-1/2" with square corners. If your frame has no mortise cut, a half mortise or full surface hinge is the different animal you'd need.

A standard interior door commonly takes three leaves, and the Deltana S35BB-R is sold by the pair, so a three-hinge door means ordering in pairs to cover the count. If you prefer a set that already comes three to the box, the Ives 1010RP is a steel plain bearing residential hinge with square corners sold as a set of three, and the Schlage Residential S3P1010 is a 3.5 inch by 3.5 inch square corner plain bearing mortise hinge in packs of three. Both of those are plain bearing rather than ball bearing.

They are different constructions. The Ives 3CB1 is a steel 3 knuckle concealed bearing full mortise hinge rated medium duty, where the bearings sit hidden inside the knuckles. The Deltana S35BB-R is a ball bearing hinge with the bearing between the knuckles. Both are full mortise, but the barrel appearance differs, so on a run of doors where the barrels are visible, mixing the two shows. The Hager 920 is another concealed bearing full mortise option, built as a 2 knuckle steel hinge in medium duty.

The Deltana S35BB-R is built at 3-1/2 inch by 3-1/2 inch only, so a 4 inch pocket needs a different leaf. The Orca 4040 Series is a 4 inch by 4 inch square corner commercial hinge in plain bearing, medium duty. For a 4 inch radius pocket, the Orca 4014 Series is 4 inch by 4 inch with a 1/4 inch radius corner and the Delaney RH45xx is a 4 inch by 4 inch bulk residential exterior hinge with a 5/8 inch radius sold as a pair. The Delaney RH40xx covers 4 inch by 4 inch in a 5/8 inch radius by square combination.

No. The Deltana S35BB-R is a conventional full mortise ball bearing hinge with no spring in the barrel. Where the door has to close itself, the Stanley Security 2060R is a full mortise spring hinge with square corners at 4.5 inch by 4.5 inch on a ferrous steel base, rated heavy duty. Note the size difference: it is a 4.5 inch leaf against the S35BB-R's 3-1/2 inch by 3-1/2 inch, so the prep is not shared.

The Deltana S35BB-R is a full mortise hinge, meaning both leaves are let into the door and the jamb. Where only the jamb can be routed, the Hager 1129 is a half mortise plain bearing commercial hinge at 4-1/2 inch in standard weight steel, rated heavy duty. For a double acting interior opening that swings both ways, the BEST DAP-3 is a heavy duty double acting pivot for commercial interior doors, which replaces the hinge set rather than substituting into it.