Cross-brand designation analysis
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You entered 7221BDB-FY. This table explores the base group 7221; it does not preserve or approve every requested suffix. Search your complete marking first →
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“7221” across 4 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKF7221 BEP105 × 190 × 36 mm | FAG7221-B-XL-MP105 × 190 × 36 mm | NSK7221AW105 × 190 × 36 mm | KOYO7221 FY105 × 190 × 36 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | 7221 BEP | 7221-B-XL-MP | 7221AW | 7221 FY |
| Product family | Angular contact ball bearings | — | Angular contact ball bearing | Single-row / With machined cage |
| Detailed type | Single row angular contact ball bearing | Angular contact ball bearings | Angular contact ball bearings | Angular contact ball bearings |
| Series | — | 7221 | — | — |
| Bore diameterd | 105 mm | 105 mm | 105 mm | 105 mm |
| Outside diameterD | 190 mm | 190 mm | 190 mm | 190 mm |
| WidthB | 36 mm | 36 mm | 36 mm | 36 mm |
| Basic dynamic load ratingC | 148 kN | 155 kN | 172 kN | 187 kN |
| Basic static load ratingC0 | 137 kN | 142 kN | 142 kN | 132 kN |
| Fatigue load limitPu | 4.8 kN | 8.1 kN | — | 6.7 kN |
| Reference speednref | 4300 r/min | 4100 r/min | — | — |
| Limiting speednG | 3800 r/min | 6000 r/min | — | 3900 r/min |
| Mass≈m | 3.82 kg | 4.235 kg | 3.84 kg | 3.95 kg |
| Precision class | Normal | PN — Normal (ISO 492:2023) | — | — |
| Sealing | Without | Without — Not sealed | — | — |
| Cage | Non-metallic | MP — Solid brass cage, ball guided | Pressed steel | — |
| Bearing material | Bearing steel | — | — | — |
| Lubricant | None | Without — Bearing not greased | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — |
| Boundary dimensions | ||||
| Individual bearing widthB | — | — | 36 mm | — |
| Minimum bearing chamferr min. | — | — | 2.1 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 1.1 mm | — |
| Capabilities & suitability | ||||
| Radial load capacity | — | Yes | — | — |
| Axial load capacity in one direction | — | Yes | — | — |
| Suitable for grease lubrication | — | Yes | — | — |
| Suitable for oil lubrication | — | Yes | — | — |
| Unsealed design | — | Yes | — | — |
| Classification | ||||
| Official Category Path | — | — | — | Angular contact ball bearings - Single-row - With machined cage |
| Official Classification 1 | — | — | — | Angular contact ball bearings / Single-row / With machined cage |
| Construction | ||||
| Nominal contact angleα | — | — | 30 ° | — |
| Standard cage code | — | — | W | — |
| Optional cage codes — ratings require separate confirmation | — | — | (M), T | — |
| Catalogue matching scope | — | — | DB, DF, DT | — |
| Cage material and construction | — | — | Pressed steel | — |
| Construction / arrangement | — | — | Single-row angular contact bearing | — |
| Dimensions | ||||
| Contact angle | 40.0 ° | — | — | — |
| Minimum chamfer dimensionrmin | — | 2.1 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.083 in | — | — |
| Minimum chamfer dimensionr1 min | — | 1.1 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.043 in | — | — |
| Shoulder diameter on outer ring wide side faceD1 | — | 157.7 mm | — | — |
| Shoulder diameter on outer ring wide side faceD1 | — | 6.209 in | — | — |
| Shoulder diameter on inner ring wide side faced1 | — | 138.2 mm | — | — |
| Shoulder diameter on inner ring wide side faced1 | — | 5.441 in | — | — |
| Distance between the apexes of the pressure conesa | — | 79.9 mm | — | — |
| Distance between the apexes of the pressure conesa | — | 3.146 in | — | — |
| Contact angleα | — | 40 ° | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of shaft abutmentd a | min. 117 mm | — | — | — |
| Abutment diameter housingD a | max. 178 mm | — | — | — |
| Diameter of housing abutmentD b | max. 183 mm | — | — | — |
| Radius of filletr a | max. 2 mm | — | — | — |
| Radius of filletr b | max. 1 mm | — | — | — |
| Engineering — Calculation data | ||||
| Minimum axial load factorA | 0.3 | — | — | — |
| Minimum radial load factork r | 0.1 | — | — | — |
| Limiting valuee | 1.1 | — | — | — |
| Engineering — Calculation data — Bearing pair arranged back-to-back or face-to-face | ||||
| Calculation factor (back-to-back, face-to-face)X | 0.57 | — | — | — |
| Calculation factor (back-to-back, face-to-face)Y 0 | 0.52 | — | — | — |
| Calculation factor (back-to-back, face-to-face)Y 1 | 0.55 | — | — | — |
| Calculation factor (back-to-back, face-to-face)Y 2 | 0.93 | — | — | — |
| Engineering — Calculation data — Single bearing or bearing pair arranged in tandem | ||||
| Calculation factor (single, tandem)X | 0.35 | — | — | — |
| Calculation factor (single, tandem)Y 0 | 0.26 | — | — | — |
| Calculation factor (single, tandem)Y 2 | 0.57 | — | — | — |
| Engineering — Dimensions | ||||
| Deviation limits of mid-range bore diametert Δdmp | -0.02 to 0 mm | — | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.03 to 0 mm | — | — | — |
| Deviation limits of ring widtht ΔBs | -0.2 to 0 mm | — | — | — |
| Shoulder diameter of inner ring (large side face)d 1 | ≈ 137.95 mm | — | — | — |
| Shoulder diameter of inner ring (small side face)d 2 | ≈ 121.17 mm | — | — | — |
| Shoulder diameter of outer ring (large side face)D 1 | ≈ 159.1 mm | — | — | — |
| Distance side face to pressure pointa | 80 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 2.1 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.1 mm | — | — | — |
| ISO tolerance class for dimensions | Normal | — | — | — |
| Engineering — Tolerances of run-out | ||||
| Range of section height at inner ring of assembled bearingt Kia | 25 µm | — | — | — |
| Range of section height at outer ring of assembled bearingt Kea | 50 µm | — | — | — |
| ISO tolerance class for geometrical tolerances | Normal | — | — | — |
| Load ratings | ||||
| Basic dynamic radial load ratingCr | — | — | 172000 N | — |
| Basic static radial load ratingC0r | — | — | 142000 N | — |
| Load-centre geometry | ||||
| Single-bearing effective load centrea | — | — | 60.6 mm | — |
| Logistics | ||||
| Product net weight | 3.82 kg | — | — | — |
| eClass code | 23-05-08-03 | — | — | — |
| UNSPSC code | 31171531 | — | — | — |
| Lubrication-qualified speed | ||||
| Limiting speed — grease | — | — | 3000 r/min | — |
| Limiting speed — oil | — | — | 4000 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 155,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 34,847.122 lbf | — | — |
| Basic static load rating, radialC0r | — | 142,000 N | — | — |
| Basic static load rating, radialC0r | — | 31,924.46 lbf | — | — |
| Fatigue load limit, radialCur | — | 8,100 N | — | — |
| Fatigue load limit, radialCur | — | 1,821.043 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 359538 | — | — |
| Official Class Key | — | — | — | 020-010-000 |
| Base Type | — | 7221 | — | — |
| Old Designation | — | ["7221B.MP","7221-B-MP"] | — | — |
| Gpsd Group | — | S03 | — | — |
| Product Line Id | — | 14 | — | — |
| X Life Marking | — | XL | — | — |
| SAP material number | — | 0191160470000 | — | — |
| Base product | — | 2305080301 | — | — |
| Bearing X designation | — | 7221-B-XL-MP | — | — |
| Mounting Manager ID | — | 7221-B-XL-MP | — | — |
| Grease application ID | — | 7221-B-XL-MP | — | — |
| Mass reference | ||||
| Approximate mass | — | — | 3.84 kg | — |
| Mounting dimensions | ||||
| Minimum diameter of shaft shoulderda min | — | 117 mm | — | — |
| Minimum diameter of shaft shoulderda min | — | 4.606 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 178 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 7.008 in | — | — |
| Maximum diameter of housing shoulderDb max | — | 183 mm | — | — |
| Maximum diameter of housing shoulderDb max | — | 7.205 in | — | — |
| Maximum fillet radius of shaftra max | — | 2.1 mm | — | — |
| Maximum fillet radius of shaftra max | — | 0.083 in | — | — |
| Maximum fillet radius of housingra1 max | — | 1 mm | — | — |
| Maximum fillet radius of housingra1 max | — | 0.039 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterda min. | — | — | 117 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 178 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 2 mm | — |
| Product characteristics | ||||
| Design variant | — | B | — | — |
| Type of SealWithout | — | Not sealed | — | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — |
| Dimensional / heat stabilizationS0 | — | Rings dimensional stabilized up to 150° | — | — |
| Product identity | ||||
| Official product category | Angular contact ball bearings | — | — | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/single-row-angular-contact-ball-bearings | — | — | — |
| Structure group ID | BA1_001_101 | — | — | — |
| Available from SKF | Yes | — | — | — |
| Remanufacturable | No | — | — | — |
| Product Identity | ||||
| Construction | — | Angular contact ball bearing 72..-B-XL-MP, single row, X-life, solid brass cage | — | — |
| Short Description | — | Angular contact ball bearing | — | — |
| Properties | ||||
| Contact type | Normal contact (two-point contact) | — | — | — |
| Number of rows | 1 | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — |
| Ring type | One-piece inner and outer rings | — | — | — |
| Matched arrangement | No | — | — | — |
| Universal matching bearing | No | — | — | — |
| Axial internal clearance | Not applicable | — | — | — |
| Tolerance class | Normal | — | — | — |
| Material, bearing | Bearing steel | — | — | — |
| Coating | Without | — | — | — |
| Relubrication feature | Without | — | — | — |
| Indicative carbon footprint for new product | 14.1 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 190 mm |
| B | — | — | — | 36 mm |
| R(Min.) | — | — | — | 2.1 mm |
| R1(Min.) | — | — | — | 1.1 mm |
| Basic Load Ratings : Cr | — | — | — | 187 kN |
| Bore Diameter (D) | — | 105 mm | — | — |
| Basic Load Ratings : C0R | — | — | — | 132 kN |
| Outside Diameter (D) | — | 190 mm | — | — |
| Fatigue Load Limit : Cu | — | — | — | 6.70 kN |
| Width (B) | — | 36 mm | — | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 155,000 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 3900 min-1 |
| Basic Static Load Rating, Radial (C0R) | — | 142,000 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 4900 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Load Center Spread : A | — | — | — | 61.0 mm |
| Limiting Speed (Ng) | — | 6,000 1/min | — | — |
| Da(Min.) | — | — | — | 117 mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| Da(Max.) | — | — | — | 178 mm |
| Reference Speed (Nϑr) | — | 4,100 1/min | — | — |
| Ra(Max.) | — | — | — | 2 mm |
| Maximum Diameter Of Housing Shoulder (Db Max) | — | 183 mm | — | — |
| Mass(Refer.) | — | — | — | 3.95 kg |
| Fatigue Load Limit, Radial (Cur) | — | 8,100 N | — | — |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 117 mm | — | — |
| Shoulder Diameter Inner Ring (D1) | — | 138.2 mm | — | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 178 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm | — | — |
| Maximum Fillet Radius (Ra Max) | — | 2.1 mm | — | — |
| Maximum Recess Radius (Ra1 Max) | — | 1 mm | — | — |
| Shoulder Diameter Outer Ring (D1) | — | 157.7 mm | — | — |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm | — | — |
| Contact Angle (Α) | — | 40 ° | — | — |
| Distance Between The Apexes Of The Pressure Cones (A) | — | 79.9 mm | — | — |
| Temperature range | ||||
| Operating temperature min.Tmin | — | -30 °C | — | — |
| Operating temperature min.Tmin | — | -22 °F | — | — |
| Operating temperature max.Tmax | — | 150 °C | — | — |
| Operating temperature max.Tmax | — | 302 °F | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.