Cross-brand designation analysis
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You entered 7052B-FY. This table explores the base group 7052; it does not preserve or approve every requested suffix. Search your complete marking first →
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“7052” across 3 loaded brands
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| Parameter | SKF7052 ACD/P4A260 × 400 × 65 mm | FAG7052-MP260 × 400 × 65 mm | KOYO7052 FY260 × 400 × 65 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | 7052 ACD/P4A | 7052-MP | 7052 FY |
| Product family | Super-precision angular contact ball bearings | — | Single-row / With machined cage |
| Detailed type | Super-precision, high-capacity, single row angular contact ball bearing | Angular contact ball bearings | Angular contact ball bearings |
| Series | — | 7052 | — |
| Bore diameterd | 260 mm | 260 mm | 260 mm |
| Outside diameterD | 400 mm | 400 mm | 400 mm |
| WidthB | 65 mm | 65 mm | 65 mm |
| Basic dynamic load ratingC | 397 kN | 370 kN | 407 kN |
| Basic static load ratingC0 | 600 kN | 600 kN | 478 kN |
| Fatigue load limitPu | 14 kN | 17.2 kN | 13.6 kN |
| Reference speednref | — | 1650 r/min | — |
| Limiting speednG | — | 2360 r/min | 1500 r/min |
| Mass≈m | 25.6 kg | 30.4 kg | 28.7 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — |
| Sealing | Without | Without — Not sealed | — |
| Cage | — | MP — Solid brass cage, ball guided | — |
| Bearing material | Bearing steel | — | — |
| Lubricant | None | Without — Bearing not greased | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 200 °C | — |
| 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 | — |
| Largebearing | — | 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 |
| Dimensions | |||
| Contact angle | 25.0 ° | — | — |
| Minimum chamfer dimensionrmin | — | 4 mm | — |
| Minimum chamfer dimensionrmin | — | 0.157 in | — |
| Minimum chamfer dimensionr1 min | — | 1.5 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.059 in | — |
| Shoulder diameter on outer ring wide side faceD1 | — | 349.6 mm | — |
| Shoulder diameter on outer ring wide side faceD1 | — | 13.764 in | — |
| Shoulder diameter on inner ring wide side faced1 | — | 313.55 mm | — |
| Shoulder diameter on inner ring wide side faced1 | — | 12.344 in | — |
| Distance between the apexes of the pressure conesa | — | 127.8 mm | — |
| Distance between the apexes of the pressure conesa | — | 5.031 in | — |
| Contact angleα | 25 ° | 30 ° | — |
| Engineering — Abutment dimensions | |||
| Diameter of shaft abutmentd a | min. 275 mm | — | — |
| Diameter of shaft abutmentd b | min. 275 mm | — | — |
| Diameter of housing abutmentD a | max. 385 mm | — | — |
| Diameter of housing abutmentD b | max. 393 mm | — | — |
| Radius of filletr a | max. 3 mm | — | — |
| Radius of filletr b | max. 1.5 mm | — | — |
| Position of oil nozzled n | 315 mm | — | — |
| Engineering — Calculation data | |||
| Attainable speed for grease lubrication | 3000.0 r/min | — | — |
| Attainable speed for oil-air lubrication | 4500.0 r/min | — | — |
| Ball diameterD w | 44.45 mm | — | — |
| Number of rowsi | 1 | — | — |
| Number of balls (per bearing)z | 21 | — | — |
| Reference grease quantity (per bearing)G ref | 324 cm³ | — | — |
| Engineering — Calculation data — Correction factors for preload calculation | |||
| Correction factor dependent on bearing series and sizef | 1.1 | — | — |
| Correction factor dependent on contact anglef 1 | 0.99 | — | — |
| Correction factor, preload class Af 2A | 1 | — | — |
| Correction factor, preload class Bf 2B | 1 | — | — |
| Correction factor, preload class Cf 2C | 1.1 | — | — |
| Correction factor, preload class Df 2D | 1.1 | — | — |
| Correction factor for hybrid bearingsf HC | 1 | — | — |
| Engineering — Calculation data — Factors for equivalent bearing load calculation | |||
| Limiting valuee | 0.68 | — | — |
| Axial load factor (single, tandem)Y 1 | 0 | — | — |
| Axial load factor (single, tandem)Y 2 | 0.87 | — | — |
| Axial load factor (single, tandem)Y 0 | 0.38 | — | — |
| Radial load factor (single, tandem)X 1 | 1 | — | — |
| Radial load factor (single, tandem)X 2 | 0.41 | — | — |
| Radial load factor (single, tandem)X 0 | 0.5 | — | — |
| Axial load factor (back-to-back, face-to-face)Y 1 | 0.92 | — | — |
| Axial load factor (back-to-back, face-to-face)Y 2 | 1.4 | — | — |
| Axial load factor (back-to-back, face-to-face)Y 0 | 0.76 | — | — |
| Radial load factor (back-to-back, face-to-face)X 1 | 1 | — | — |
| Radial load factor (back-to-back, face-to-face)X 2 | 0.67 | — | — |
| Radial load factor (back-to-back, face-to-face)X 0 | 1 | — | — |
| Engineering — Calculation data — Preload and stiffness (back-to-back, face-to-face) | |||
| Preload, class AG A | 2480 N | — | — |
| Axial stiffnes for preload A (sets of two brgs back to back or face to face) | 617 N/µm | — | — |
| Preload, class BG B | 4960 N | — | — |
| Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face) | 801 N/µm | — | — |
| Preload, class CG C | 9920 N | — | — |
| Axial stiffness for preload C (sets of two brgs back-to-back or face-to-face) | 1053 N/µm | — | — |
| Preload, class DG D | 19840 N | — | — |
| Axial stiffness for preload D (sets of two brgs back-to-back or face-to-face) | 1409 N/µm | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter of inner ring (large side face)d 1 | 303.2 mm | — | — |
| Shoulder diameter of inner ring (small side face)d 2 | 303.2 mm | — | — |
| Shoulder diameter of outer ring (large side face)D 1 | 356.8 mm | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — |
| Chamfer dimensionr 3,4 | min. 1.5 mm | — | — |
| Distance from side face to pressure pointa | 109.8 mm | — | — |
| Engineering — Engineering specifications | |||
| Universal matching bearing(s) | No | — | — |
| Logistics | |||
| Product net weight | 25.6 kg | — | — |
| eClass code | 23-05-08-04 | — | — |
| UNSPSC code | 31171531 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 370,000 N | — |
| Basic dynamic load rating, radialCr | — | 83,183.453 lbf | — |
| Basic static load rating, radialC0r | — | 600,000 N | — |
| Basic static load rating, radialC0r | — | 134,892.086 lbf | — |
| Fatigue load limit, radialCur | — | 17,200 N | — |
| Fatigue load limit, radialCur | — | 3,866.906 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 1794501 | — |
| Official Class Key | — | — | 020-010-000 |
| Base Type | — | 7052 | — |
| Product Line Id | — | 14 | — |
| Base product | — | 2305080301 | — |
| Bearing X designation | — | 7052-MP | — |
| Mounting Manager ID | — | 7052-MP | — |
| Grease application ID | — | 7052-MP | — |
| Mounting dimensions | |||
| Minimum diameter of shaft shoulderda min | — | 274.6 mm | — |
| Minimum diameter of shaft shoulderda min | — | 10.811 in | — |
| Maximum diameter of housing shoulderDa max | — | 385.4 mm | — |
| Maximum diameter of housing shoulderDa max | — | 15.173 in | — |
| Maximum diameter of housing shoulderDb max | — | 393 mm | — |
| Maximum diameter of housing shoulderDb max | — | 15.472 in | — |
| Maximum fillet radius of shaftra max | — | 3 mm | — |
| Maximum fillet radius of shaftra max | — | 0.118 in | — |
| Maximum fillet radius of housingra1 max | — | 1.5 mm | — |
| Maximum fillet radius of housingra1 max | — | 0.059 in | — |
| Product characteristics | |||
| Type of SealWithout | — | Not sealed | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° | — |
| Product identity | |||
| Official product category | Super-precision angular contact ball bearings | — | — |
| Official taxonomy path | /products/super-precision-bearings/angular-contact-ball-bearings | — | — |
| Structure group ID | BA1_010 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Construction | — | Angular contact ball bearing 70..-MP, single row, solid brass cage | — |
| Short Description | — | Angular contact ball bearing | — |
| Properties | |||
| Contact type | Normal contact (two-point contact) | — | — |
| Number of rows | 1 | — | — |
| Ring type | One-piece inner and outer rings | — | — |
| Design | High-capacity D | — | — |
| Universal matching bearing | No | — | — |
| Matched arrangement | No | — | — |
| Matched condition (axial clearance/ preload) | Not applicable | — | — |
| Tolerance class | P4A | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Indicative carbon footprint for new product | 94.7 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 400 mm |
| B | — | — | 65 mm |
| Bore Diameter (D) | — | 260 mm | — |
| R(Min.) | — | — | 4 mm |
| Outside Diameter (D) | — | 400 mm | — |
| R1(Min.) | — | — | 1.5 mm |
| Width (B) | — | 65 mm | — |
| Basic Load Ratings : Cr | — | — | 407 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 370,000 N | — |
| Basic Load Ratings : C0R | — | — | 478 kN |
| Basic Static Load Rating, Radial (C0R) | — | 600,000 N | — |
| Fatigue Load Limit : Cu | — | — | 13.6 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Limiting Speed (Ng) | — | 2,360 1/min | — |
| Limiting Speeds(Grease Lub.) | — | — | 1500 min-1 |
| Operating Temperature Max. (Tmax) | — | 200 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 1900 min-1 |
| Reference Speed (Nϑr) | — | 1,650 1/min | — |
| Load Center Spread : A | — | — | 128.4 mm |
| Maximum Diameter Of Housing Shoulder (Db Max) | — | 393 mm | — |
| Da(Min.) | — | — | 278 mm |
| Fatigue Load Limit, Radial (Cur) | — | 17,200 N | — |
| Da(Max.) | — | — | 382 mm |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 274.6 mm | — |
| Ra(Max.) | — | — | 3 mm |
| Shoulder Diameter Inner Ring (D1) | — | 313.55 mm | — |
| Mass(Refer.) | — | — | 28.7 kg |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 385.4 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm | — |
| Maximum Fillet Radius (Ra Max) | — | 3 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 1.5 mm | — |
| Shoulder Diameter Outer Ring (D1) | — | 349.6 mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 1.5 mm | — |
| Contact Angle (Α) | — | 30 ° | — |
| Distance Between The Apexes Of The Pressure Cones (A) | — | 127.8 mm | — |
| Temperature range | |||
| Operating temperature min.Tmin | — | -30 °C | — |
| Operating temperature min.Tmin | — | -22 °F | — |
| Operating temperature max.Tmax | — | 200 °C | — |
| Operating temperature max.Tmax | — | 392 °F | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.