7316-BECBM 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 7316-BECBM model number is decoded

7316 BECBM is SKF's 80 mm-bore single-row angular-contact ball bearing in the 7300 series, nominal 40° (B) contact angle, 80×170×39 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. machined brass cage, ball-centred (suffix M), the choice for high speed, marginal lubrication and shock duty. CB means universally matchable with Normal axial internal clearance: the two side faces are ground so any two units form DB (back-to-back), DF (face-to-face) or DT (tandem) sets without regrinding. Envelope 80×170×39 mm (3.15×6.693×1.535 in), 45.0 mm radial section height, C 143 kN, C0 118 kN, Pu 4.5 kN.reference speed 5,000 r/min (thermal) and limiting speed 6,300 r/min (mechanical), catalogue mass 3800 g. Speed planning distinguishes the two published ceilings mechanically: the cage and balls tolerate 6,300 r/min while thermal balance under catalogue load sets the 5,000 r/min reference; at dm ≈ 125.0 mm the corresponding dn is approximately 788k mm·r/min. Selection figures for 7316 BECBM: the static-to-dynamic ratio C0/C is 0.83, Pu 4.5 kN is about 3 % of C, and catalogue mass works out to roughly 48 g per millimetre of bore. Speed-ratio note for this exact unit: the reference speed is 5,000 r/min against a 6,300 r/min limiting speed, i.e. a reference-to-limit ratio of 0.79. Cage detail specific to this order number: the M cage is a one-piece machined brass window cage centred on the balls, chosen for high speeds, thin-film lubrication and shock loads; it is heavier and stiffer than the stamped Y-cage execution and tolerates interrupted oil supply far better than the PA66 or PEEK alternatives. Do not substitute the stamped-brass BECBY order number expecting identical cage behaviour.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• One 7316-BECBM 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.
• At 80 mm bore the k5 seat assumes a steel shaft and housing; aluminium housings grow faster with temperature, so re-check the outer-ring setting when the case is non-ferrous.
• Fillet radii must clear the chamfer so the 39 mm-wide ring seats square; an oversized shaft radius creates point contact on the ring face.
• Preload the set against a calculated stand-off dimension — the ground faces of BECBM establish it, but locknut torque, sleeve crush and housing-face squareness each consume part of the allowance.
• The steep 40° angle of 7316-BECBM 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.
• Universally matchable BECBM bearings arrive ready for set mounting, not preloaded sets: preload results from how the set is clamped, so follow the SKF stand-off-ring and nut-torque procedure.