53410 bearing: complete specifications & equivalents

The 53410 is a ISO 104 radial bearing sized 50 x 110 x 45.6 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.

Bearing dimension schematic Front view shows outer diameter D and bore d; side section shows width B. D = 110 mm d = 50 B = 45.6 mm side section front view
Principal dimensions: bore d 50 mm, outer diameter D 110 mm, width B 45.6 mm. Schematic, not to scale.

Specification table

ParameterValue
Brand SKF
Bore diameter d 50 mm
Outer diameter D 110 mm
Width B 45.6 mm
Material GCr15
Seal / shield open
Internal clearance CN
Tolerance class P0
Cage steel, stamped ribbon (J-type)
Basic dynamic load rating C 159 kN
Basic static load rating C0 340 kN
Fatigue load limit Pu 12.5 kN
Reference speed (thermal) 1900 rpm
Limiting speed (mechanical) 2600 rpm
Operating temperature -40 to +120 °C
Mass 2300 g
Manufacturer designation 53410
Standard ISO 104
Catalog version SKF PUB BU/P1 17000/1 EN (Oct 2018)
Last verified 2026-09-28

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.

Dimensions in inches & 53400-series range

Bore d 1.969 in
Outer diameter D 4.331 in
Width B 1.795 in
ISO bore code 10
Radial section height (D−d)/2 30 mm
Smallest bore in 53400-series 40 mm
Largest outer diameter in 53400-series 210 mm
Width range across 53400-series 38.2–90 mm
Bore position in 53400-series (smallest first) 2 of 8
Bore above smallest 53400-series size 10 mm

Cross references & equivalents

Equivalent modelBrandMatch levelNote
53410 ISO 15 full
Dimensions and internal design equivalent — standard interchange.
ISO 15 boundary-dimension envelope; brand-specific OEM equivalents (NSK/FAG/NTN) pending multi-source data.

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 53410 model number is decoded

53410 is SKF's 50 mm-bore single-direction thrust ball bearing in the 53400 series to the ISO 104 dimension plan, with a sphered housing washer paired to a U seat washer, measuring 50×110×45.6 mm U 410 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 10 encode the bore as 50 mm (code 10 × 5), 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 50×110×45.6 mm (1.969×4.331×1.795 in), 30.0 mm radial section, C 159 kN, C0 340 kN, Pu 12.5 kN. Mounted height H1 50 mm includes the U 410 seat washer; the bearing alone is 45.6 mm high. reference speed 1,900 r/min (thermal) and limiting speed 2,600 r/min (mechanical), catalogue mass 2300 g. Light-load floor: Pu = 12.5 kN is the equivalent-load threshold below which the SKF adjusted-life equation credits very long life for 53410; the number is 8 % of the 159 kN dynamic rating. Pitch-diameter arithmetic: dm = (50+110)/2 = 80.0 mm; at the 2,600 r/min limiting speed that corresponds to roughly 208k mm·r/min, the figure used when comparing cage speed demand across the thrust-ball series. Bore-to-OD planning: OD 110 over bore 50 is a 2.20× step for this size, and the 45.6 mm height gives a bore/height ratio of 1.10; use these ratios when the housing recess around the 50 mm shaft is the first constraint. Load balance: C0 340 kN against C 159 kN gives a 2.14 ratio — thrust ball bearings are chosen on static rating and F_a/C0 far more often than on L10 life, while Pu 12.5 kN enters the adjusted-life check. Sizing arithmetic on the 50 mm bore: 159 kN C over the 30.0 mm radial section gives 5.3 kN per section millimetre, and the 45.6 mm stack height is 1.52× that section — proportions typical of a 53400 thrust section. 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. Procurement reminder for this specific page: 53410 and U 410 are two order numbers shipping as two articles; the installed 50 mm H1 rather than 45.6 mm H is the dimension the housing drawing must carry.

Typical equipment & failure modes

Common applications

  • agricultural and construction-machine pivots
  • screw-jack spindles that bend under load
  • crane hooks whose block deflects under offset lifts

Known failure patterns

  • cage damage from mounting force applied through the balls instead of the washer face
  • ball-set launch and loss when the separable bearing is lifted out of the housing without retaining the cage
  • total loss of the aligning function after paint, scale or abrasive dust fills the sphered contact
  • point-contact gouging of the housing face when the sphered washer is run without its U seat washer
  • raceway indentation from driving the bearing home through the ball set rather than the washer face
  • electrical discharge pitting when the shaft current passes through the ball contacts instead of a grounding brush

Selection pitfalls — read before you substitute

  • Dimension the housing to the 50 mm mounted height H1 (bearing plus U 410), not the 45.6 mm bearing height H — confusing the two is a recurring drawing error for the 53-series.
  • The sphered housing washer of 53410 MUST run against the U 410 seat washer, a separate order number; mounted bare on a flat register, the convex back makes point contact that gouges the housing under load.
  • The spherical seat accommodates INITIAL static misalignment between shaft and housing; it is not a swivel for continuous oscillation, and the bearing still carries pure axial load with no radial capacity.
  • The self-aligning feature is checked at commissioning by hand: with the shaft under no load the assembly must swivel and settle; a stiff spherical seat means dirt, a mismatched U washer, or a register bored off-axis.
  • Catalogue ratings are SKF PUB BU/P1 17000 figures for 53410 as the single sphered pressed steel execution; other order numbers of the 53410 size are different products and may carry different ratings or seating geometry — always quote the full designation including the U 410 seat washer when purchasing.

Frequently asked questions

What are the dimensions and catalogue data of 53410?

53410 measures 50 mm bore × 110 mm OD × 45.6 mm bearing height (1.969 × 4.331 × 1.795 in), or 50 mm mounted H1 including the U 410 seat washer, mass about 2300 g. SKF 17000 ratings: C 159 kN, C0 340 kN, Pu 12.5 kN, reference speed 1,900 r/min (thermal) and limiting speed 2,600 r/min (mechanical).

What does the designation 53410 mean?

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 10 encode the bore as 50 mm (code 10 × 5), 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. 5 = thrust ball bearing, 3 = single direction with sphered seating surface.

Why does 53410 need a U 410 seat washer?

The housing washer of 53410 has a sphered back face. The U 410 seat washer presents a matching concave face plus a flat housing face, and without it the convex washer contacts the register at a single point; the pair is what gives the bearing its initial-misalignment capacity.

Is the U 410 seat washer supplied in the box?

The U seat washer is a separate order number: 53410 and U 410 are specified independently, so quote both on the purchase order — a sphered bearing without its matched seat cannot be installed correctly.

Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018) on 2026-09-28. Read our editorial & correction policy.