7210-BEP bearing: complete specifications & equivalents
The 7210-BEP is a ISO 15 radial bearing sized 50 x 90 x 20 mm (bore x OD x width). Verify dimensions against the official catalog before ordering.
Specification table
| Parameter | Value |
|---|---|
| Brand | SKF |
| Bore diameter d | 50 mm |
| Outer diameter D | 90 mm |
| Width B | 20 mm |
| Material | GCr15 |
| Seal / shield | open |
| Internal clearance | CN |
| Tolerance class | P0 |
| Cage | polymer (PA66 glass-fibre reinforced) |
| Basic dynamic load rating C | 37.7 kN |
| Basic static load rating C0 | 28.5 kN |
| Fatigue load limit Pu | 1.22 kN |
| Reference speed (thermal) | 9000 rpm |
| Limiting speed (mechanical) | 8500 rpm |
| Operating temperature | -40 to +120 °C |
| Mass | 470 g |
| Manufacturer designation | 7210 BEP |
| Standard | ISO 15 |
| Catalog version | SKF PUB BU/P1 17000/1 EN (Oct 2018) |
| Last verified | 2026-09-27 |
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.
Dimensions in inches & 7200-series range
| Bore d | 1.969 in |
|---|---|
| Outer diameter D | 3.543 in |
| Width B | 0.787 in |
| ISO bore code | 10 |
| Radial section height (D−d)/2 | 20 mm |
| Smallest bore in 7200-series | 10 mm |
| Largest outer diameter in 7200-series | 540 mm |
| Width range across 7200-series | 9–85 mm |
| Bore position in 7200-series (smallest first) | 11 of 36 |
| Bore above smallest 7200-series size | 40 mm |
Cross references & equivalents
| Equivalent model | Brand | Match level | Note |
|---|---|---|---|
| 7210-BE-2RZP | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 50×90×20 mm envelope with catalogue ratings within 10 %; 7210 BE-2RZP is the glass-fibre PA66 cage, non-contact NBR seals (-2RZ) execution of this size — boundary dimensions interchangeable, execution differs. |
| 7210-BECBP | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 50×90×20 mm envelope with catalogue ratings within 10 %; 7210 BECBP is the glass-fibre PA66 cage, open arrangement execution of this size — boundary dimensions interchangeable, execution differs. |
| 7210-BECBPH | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 50×90×20 mm envelope with catalogue ratings within 10 %; 7210 BECBPH is the PEEK cage, open arrangement execution of this size — boundary dimensions interchangeable, execution differs. |
| 7210-BECBM | SKF | full Dimensions and internal design equivalent — standard interchange. | Same 50×90×20 mm envelope with catalogue ratings within 10 %; 7210 BECBM is the brass cage, open arrangement execution of this size — boundary dimensions interchangeable, execution differs. |
| 7210-BECBY | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 50×90×20 mm envelope, but catalogue C/C0 differ between executions (37.7/28.5 kN vs 41.5/33.5 kN) — boundary dimensions match, not a load-rating equivalent. |
| 7210-ACCBM | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 50×90×20 mm envelope, but catalogue C/C0 differ between executions (37.7/28.5 kN vs 45.5/35.5 kN) — boundary dimensions match, not a load-rating equivalent. |
| QJ-210-MA | SKF | partial Main dimensions match; tolerances, seals or internal clearance differ. | Same 50×90×20 mm envelope, but catalogue C/C0 differ between executions (37.7/28.5 kN vs 65.5/61 kN) — boundary dimensions match, not a load-rating equivalent. |
| 7210 | SKF | full Dimensions and internal design equivalent — standard interchange. | SKF SKF 7210 BEP is the basic 50×90×20 mm angular-contact page with ratings within 10 % of this execution — same boundary dimensions, verify execution details. |
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 7210-BEP model number is decoded
7210 BEP is SKF's 50 mm-bore single-row angular-contact ball bearing in the 7200 series, nominal 40° (B) contact angle, 50×90×20 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 50×90×20 mm (1.969×3.543×0.787 in), 20.0 mm radial section height, C 37.7 kN, C0 28.5 kN, Pu 1.22 kN.reference speed 9,000 r/min (thermal) and limiting speed 8,500 r/min (mechanical), catalogue mass 470 g. Selection figures for 7210 BEP: the static-to-dynamic ratio C0/C is 0.76, Pu 1.22 kN is about 3 % of C, and catalogue mass works out to roughly 9 g per millimetre of bore. Load balance: C0 28.5 kN against C 37.7 kN gives a 0.76 ratio, typical of a steep-angle axial-oriented design; Pu 1.22 kN enters the SKF adjusted-life equation rather than the basic rating life. Bore-to-OD planning: OD 90 over bore 50 is a 1.80× step for this size, and the 20 mm width gives a bore/width ratio of 2.50; use these ratios when housing space around the 50 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
Common applications
- centrifugal and vacuum pumps
- industrial transmissions
- printing cylinders and packaging shafts
Known failure patterns
- false brinelling on idle paired sets exposed to machine vibration
- contact-angle shift and edge loading after uneven locknut torque tilts the set
- ball skidding when Fa/Fr stays below the 1,0 (40°) or 0,55 (25°) ratio and the contact ellipse is unloaded
- PA66 cage creep or embrittlement when the non-universal single bearing is run above 120 °C
- brinelling from pressing the ring home through the balls or from static overload
- hard-particle indentation of the asymmetric raceway in unfiltered oil
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.
- At 50 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.
- Mount by induction-heating the inner ring to max 120 °C — the PA66 cage sets the ceiling, not the steel; driving the bearing home through the outer ring or balls brinells the asymmetric raceway.
- Mount by induction-heating the inner ring to max 120 °C — the PA66 cage sets the ceiling, not the steel; driving the bearing home through the outer ring or balls brinells the asymmetric raceway.
- The steep 40° angle of 7210-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 7210 BEP as the single basic pa66 execution; the other order numbers of the 7210 size are different products and may carry different ratings — always quote the full designation when purchasing.
Frequently asked questions
What are the dimensions and catalogue data of 7210-BEP?
7210 BEP measures 50 mm bore × 90 mm OD × 20 mm width (1.969 × 3.543 × 0.787 in), mass about 470 g. SKF 17000 ratings: C 37.7 kN, C0 28.5 kN, Pu 1.22 kN, reference speed 9,000 r/min (thermal) and limiting speed 8,500 r/min (mechanical).
What does the BEP suffix mean?
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..
What minimum axial load does 7210-BEP need?
The balls must remain seated: SKF gives Fam ≈ A·(n·dm/1000)² and a load-ratio guideline of Fa/Fr ≥ 1 for the 40° B execution and ≥ 0,55 for the 25° AC execution. Preloaded pairs and spring loading are the usual ways of meeting it at light load and high speed.
What is the difference between BEP, BECBP and BECBM?
All share the 40° optimized geometry: BEP is the basic PA66-caged single bearing, BECBP adds CB universal matching (ground faces, Normal clearance) with the same PA66 cage, and BECBM is the universally matchable version with a machined brass cage for higher speed and temperature.
Reviewed & verified by the MPN Base engineering desk against source catalog SKF PUB BU/P1 17000/1 EN (Oct 2018) on 2026-09-27. Read our editorial & correction policy.