53202 bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-28

Parameters extracted from the official SKF Rolling Bearings catalogue (SKF PUB BU/P1 17000/1 EN (Oct 2018)); SKF® and SKF Explorer® are trademarks of AB SKF, used here for identification only — mpnbase is not an authorized SKF distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at skf.com.

Cross references & equivalents

Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.

How the 53202 model number is decoded

53202 is SKF's 15 mm-bore single-direction thrust ball bearing in the 53200 series to the ISO 104 dimension plan, with a sphered housing washer paired to a U seat washer, measuring 15×32×13.3 mm U 202 seat washer companion included in the mounted H1 dimension. The separable set comprises a shaft washer (ground bore, tight fit on the shaft), a loose-bore housing washer and one ball-cage assembly, reacting axial force in one direction and carrying no radial load. in the 53xxx designation the 3 marks a single-direction bearing whose housing washer has a sphered (convex) seating surface, intended to run against the matching U seat washer; the third digit 2–4 grades the section. the final two digits 02 encode the bore as 15 mm, the standard SKF bore-code rule shared with radial bearings. with no cage suffix this is the standard execution with a stamped sheet-steel ball-cage assembly (pressed cage) — the light, quiet and economical cage for small and medium thrust-ball sizes. Envelope 15×32×13.3 mm (0.591×1.26×0.524 in), 8.5 mm radial section, C 15.9 kN, C0 25 kN, Pu 0.915 kN. Mounted height H1 15 mm includes the U 202 seat washer; the bearing alone is 13.3 mm high. reference speed 7,000 r/min (thermal) and limiting speed 10,000 r/min (mechanical), catalogue mass 63 g. Speed band width for this size is 3,000 r/min between reference and limiting (1.43× ratio); lubrication, preload and heat removal decide where inside that band 53202 can actually run. Washer-annulus check: the π/4·(D²−d²) contact annulus of 53202 covers about 628 mm², distributing C0 25 kN over a mean track circle of π·dm ≈ 74 mm. Capacity density: 15.9 kN C from 0.063 kg of bearing steel gives about 252.4 kN per kilogram; static density is correspondingly 396.8 kN/kg at C0 25 kN. Pitch-diameter arithmetic: dm = (15+32)/2 = 23.5 mm; at the 10,000 r/min limiting speed that corresponds to roughly 235k mm·r/min, the figure used when comparing cage speed demand across the thrust-ball series. Imperial cross-check for procurement drawings: 0.591 in bore, 1.26 in OD, 0.524 in height, and the 63 g catalogue mass converts to 0.063 kg (2.2 oz). Sphered-seating order-number note: the convex back face of the housing washer is finish-ground spherical and is delivered to mate with the separately ordered U seat washer, which presents a flat face to the housing and a concave face to the washer; together they accommodate initial static misalignment, but the pair must be kept clean, greased at the spherical interface and never replaced by a washer-on-flat-steel makeshift. The aligning angle is set by how far the sphered back of the 32 mm washer can tilt inside the U 202 seat; check the actual tilt allowance in the mounting drawing, since the 1.7 mm washer thickness step does not by itself quantify it.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• The shaft washer remains the tight, ground-bore component on the 15 mm shaft; the sphered part is the HOUSING washer, and the U seat washer is the loose flat-backed part — the fitting order is shaft washer and cage set first, then housing washer and U 202 into the register.
• Minimum axial load still applies with factor A 0.0038: a self-aligning seat does not prevent ball skidding, so provide spring preload or sufficient rotor weight at light load and speed.
• The sphered housing washer of 53202 MUST run against the U 202 seat washer, a separate order number; mounted bare on a flat register, the convex back makes point contact that gouges the housing under load.
• Keep the sphered interface clean and lightly greased: scale, paint or grit between the washer back and U 202 locks the aligning function and frets under load; re-grease the contact at every overhaul.
• Ordering discipline for 53202: the catalogue page quotes 53202 plus U 202 and its 15.9/25 kN ratings as one exact article; bare-number substitutions from another series or brand need a fresh dimension and rating check, not a like-for-like assumption.