Cross-brand designation analysis
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Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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One base designation across loaded brands
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Dimensions verified
“7038” 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 | SKF7038 CD/P4A190 × 290 × 46 mm | FAG7038-MP190 × 290 × 46 mm | NSK7038A190 × 290 × 46 mm | KOYO7038 FY190 × 290 × 46 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | 7038 CD/P4A | 7038-MP | 7038A | 7038 FY |
| Product family | Super-precision angular contact ball bearings | — | Angular contact ball bearing | 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 | Angular contact ball bearings |
| Series | — | 7038 | — | — |
| Bore diameterd | 190 mm | 190 mm | 190 mm | 190 mm |
| Outside diameterD | 290 mm | 290 mm | 290 mm | 290 mm |
| WidthB | 46 mm | 46 mm | 46 mm | 46 mm |
| Basic dynamic load ratingC | 247 kN | 228 kN | 246 kN | 271 kN |
| Basic static load ratingC0 | 305 kN | 310 kN | 280 kN | 268 kN |
| Fatigue load limitPu | 8.3 kN | 10.4 kN | — | 9.35 kN |
| Reference speednref | — | 2390 r/min | — | — |
| Limiting speednG | — | 3350 r/min | — | 2300 r/min |
| Mass≈m | 9.36 kg | 11.9 kg | 11.3 kg | 10.8 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Sealing | Without | Without — Not sealed | — | — |
| Cage | — | MP — Solid brass cage, ball guided | Machined brass, inner-ring guided | — |
| Bearing material | Bearing steel | — | — | — |
| Lubricant | None | Without — Bearing not greased | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 200 °C | — | — |
| Boundary dimensions | ||||
| Individual bearing widthB | — | — | 46 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 | — | — | M usually omitted | — |
| Optional cage codes — ratings require separate confirmation | — | — | None listed | — |
| Catalogue matching scope | — | — | DB, DF, DT | — |
| Cage material and construction | — | — | Machined brass, inner-ring guided | — |
| Construction / arrangement | — | — | Single-row angular contact bearing | — |
| Dimensions | ||||
| Contact angle | 15.0 ° | — | — | — |
| 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 | — | 254.1 mm | — | — |
| Shoulder diameter on outer ring wide side faceD1 | — | 10.004 in | — | — |
| Shoulder diameter on inner ring wide side faced1 | — | 228.04 mm | — | — |
| Shoulder diameter on inner ring wide side faced1 | — | 8.978 in | — | — |
| Distance between the apexes of the pressure conesa | — | 92.3 mm | — | — |
| Distance between the apexes of the pressure conesa | — | 3.634 in | — | — |
| Contact angleα | 15 ° | 30 ° | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of shaft abutmentd a | min. 201 mm | — | — | — |
| Diameter of shaft abutmentd b | min. 201 mm | — | — | — |
| Diameter of housing abutmentD a | max. 279 mm | — | — | — |
| Diameter of housing abutmentD b | max. 284 mm | — | — | — |
| Radius of filletr a | max. 2 mm | — | — | — |
| Radius of filletr b | max. 1 mm | — | — | — |
| Position of oil nozzled n | 229.7 mm | — | — | — |
| Engineering — Calculation data | ||||
| Attainable speed for grease lubrication | 4800.0 r/min | — | — | — |
| Attainable speed for oil-air lubrication | 7000.0 r/min | — | — | — |
| Ball diameterD w | 30.162 mm | — | — | — |
| Number of rowsi | 1 | — | — | — |
| Number of balls (per bearing)z | 22 | — | — | — |
| Reference grease quantity (per bearing)G ref | 114 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 | 1 | — | — | — |
| 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 | ||||
| Calculation factor for equivalent loadsf 0 | 15.9 | — | — | — |
| Additional factors for equivalent loads | Refer to Notes 1 and 2 below | — | — | — |
| Engineering — Calculation data — Preload and stiffness (back-to-back, face-to-face) | ||||
| Preload, class AG A | 950 N | — | — | — |
| Axial stiffnes for preload A (sets of two brgs back to back or face to face) | 196 N/µm | — | — | — |
| Preload, class BG B | 1900 N | — | — | — |
| Axial stiffness for preload B (sets of two brgs back-to-back or face-to-face) | 266 N/µm | — | — | — |
| Preload, class CG C | 3800 N | — | — | — |
| Axial stiffness for preload C (sets of two brgs back-to-back or face-to-face) | 370 N/µm | — | — | — |
| Preload, class DG D | 7600 N | — | — | — |
| Axial stiffness for preload D (sets of two brgs back-to-back or face-to-face) | 532 N/µm | — | — | — |
| Engineering — Dimensions | ||||
| Shoulder diameter of inner ring (large side face)d 1 | 221.8 mm | — | — | — |
| Shoulder diameter of inner ring (small side face)d 2 | 221.8 mm | — | — | — |
| Shoulder diameter of outer ring (large side face)D 1 | 258.2 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 2.1 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.1 mm | — | — | — |
| Distance from side face to pressure pointa | 55.3 mm | — | — | — |
| Engineering — Engineering specifications | ||||
| Universal matching bearing(s) | No | — | — | — |
| Load ratings | ||||
| Basic dynamic radial load ratingCr | — | — | 246000 N | — |
| Basic static radial load ratingC0r | — | — | 280000 N | — |
| Load-centre geometry | ||||
| Single-bearing effective load centrea | — | — | 92.3 mm | — |
| Logistics | ||||
| Product net weight | 9.36 kg | — | — | — |
| eClass code | 23-05-08-04 | — | — | — |
| UNSPSC code | 31171531 | — | — | — |
| Lubrication-qualified speed | ||||
| Limiting speed — grease | — | — | 1800 r/min | — |
| Limiting speed — oil | — | — | 2400 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 228,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 51,258.993 lbf | — | — |
| Basic static load rating, radialC0r | — | 310,000 N | — | — |
| Basic static load rating, radialC0r | — | 69,694.245 lbf | — | — |
| Fatigue load limit, radialCur | — | 10,400 N | — | — |
| Fatigue load limit, radialCur | — | 2,338.129 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 1794495 | — | — |
| Official Class Key | — | — | — | 020-010-000 |
| Base Type | — | 7038 | — | — |
| Product Line Id | — | 14 | — | — |
| Base product | — | 2305080301 | — | — |
| Bearing X designation | — | 7038-MP | — | — |
| Mounting Manager ID | — | 7038-MP | — | — |
| Grease application ID | — | 7038-MP | — | — |
| Mass reference | ||||
| Approximate mass | — | — | 11.3 kg | — |
| Mounting dimensions | ||||
| Minimum diameter of shaft shoulderda min | — | 200.2 mm | — | — |
| Minimum diameter of shaft shoulderda min | — | 7.882 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 279.8 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 11.016 in | — | — |
| Maximum diameter of housing shoulderDb max | — | 284 mm | — | — |
| Maximum diameter of housing shoulderDb max | — | 11.181 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. | — | — | 202 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 278 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 2 mm | — |
| 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 | 34.6 kg CO 2 e | — | — | — |
| Technical Data | ||||
| d | — | — | — | 290 mm |
| B | — | — | — | 46 mm |
| Bore Diameter (D) | — | 190 mm | — | — |
| R(Min.) | — | — | — | 2.1 mm |
| Outside Diameter (D) | — | 290 mm | — | — |
| R1(Min.) | — | — | — | 1.1 mm |
| Width (B) | — | 46 mm | — | — |
| Basic Load Ratings : Cr | — | — | — | 271 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 228,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 268 kN |
| Basic Static Load Rating, Radial (C0R) | — | 310,000 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 9.35 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Limiting Speed (Ng) | — | 3,350 1/min | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 2300 min-1 |
| Operating Temperature Max. (Tmax) | — | 200 °C | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 2800 min-1 |
| Reference Speed (Nϑr) | — | 2,390 1/min | — | — |
| Load Center Spread : A | — | — | — | 92.3 mm |
| Maximum Diameter Of Housing Shoulder (Db Max) | — | 284 mm | — | — |
| Da(Min.) | — | — | — | 202 mm |
| Fatigue Load Limit, Radial (Cur) | — | 10,400 N | — | — |
| Da(Max.) | — | — | — | 278 mm |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 200.2 mm | — | — |
| Ra(Max.) | — | — | — | 2 mm |
| Shoulder Diameter Inner Ring (D1) | — | 228.04 mm | — | — |
| Mass(Refer.) | — | — | — | 10.8 kg |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 279.8 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) | — | 254.1 mm | — | — |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm | — | — |
| Contact Angle (Α) | — | 30 ° | — | — |
| Distance Between The Apexes Of The Pressure Cones (A) | — | 92.3 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.