7208-BEP bearing: complete specifications & equivalents

Specification table

Source: catalog reference (SKF PUB BU/P1 17000/1 EN (Oct 2018)) · extracted 2026-09-27

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 7208-BEP model number is decoded

7208 BEP is SKF's 40 mm-bore single-row angular-contact ball bearing in the 7200 series, nominal 40° (B) contact angle, 40×80×18 mm to the ISO dimension plan. 40° contact angle (suffix B): the steep standard single-row angle, giving the highest axial capacity at the cost of speed, with a recommended load ratio Fa/Fr ≥ 1. E marks the optimized internal design with an enhanced ball complement and race geometry. glass-fibre reinforced PA66 cage, ball-centred (suffix P), with a 120 °C continuous-temperature ceiling. The plain BEP is a basic single bearing: its faces are not ground for universal matching, so defined pairs require the BECBP execution rather than two arbitrary BEP units.. Envelope 40×80×18 mm (1.575×3.15×0.709 in), 20.0 mm radial section height, C 34.5 kN, C0 24 kN, Pu 1.02 kN.reference speed 10,000 r/min (thermal) and limiting speed 10,000 r/min (mechanical), which coincide for this size, catalogue mass 370 g. Sizing arithmetic on the 40 mm bore: 34.5 kN C divided by the 20.0 mm radial section height gives 1.7 kN per section millimetre; the 370 g mass and 3 % Pu/C share frame the light-load floor for the adjusted-life check. The 1.02 kN fatigue load limit is the equivalent-load floor for long-life adjustment; with 34.5/24 kN ratings and 370 g mass this execution carries about 0.86 kN of C per millimetre of bore. Bore-to-OD planning: OD 80 over bore 40 is a 2.00× step for this size, and the 18 mm width gives a bore/width ratio of 2.22; use these ratios when housing space around the 40 mm shaft is the first constraint. Basic polymer-cage execution: BEP is delivered as an individual open bearing with the 40-degree optimized internals and a glass-fibre PA66 ball-centred cage; it is not ground on the side faces for arbitrary pairing, so a reversing-thrust position should order BECBP for a set rather than mounting two unmatched BEP units.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Preload the set against a calculated stand-off dimension — the ground faces of BEP establish it, but locknut torque, sleeve crush and housing-face squareness each consume part of the allowance.
• One 7208-BEP locates the shaft in one axial direction only; reversing-thrust positions need a DB or DF pair — or a double-row bearing — with preload set from the load diagram, never from assembly feel.
• DB pairs give the highest moment stiffness, DF pairs tolerate misalignment and thermal expansion better, DT shares heavy one-direction thrust; choose from the shaft thermal calculation rather than by habit.
• Fillet radii must clear the chamfer so the 18 mm-wide ring seats square; an oversized shaft radius creates point contact on the ring face.
• The steep 40° angle of 7208-BEP favours thrust-heavy combined loads; for a predominantly radial high-speed position the 25° ACCBM execution of the same size is the alternative order number.
• Catalogue ratings are SKF PUB BU/P1 17000 figures for 7208 BEP as the single basic pa66 execution; the other order numbers of the 7208 size are different products and may carry different ratings — always quote the full designation when purchasing.