Cross-brand designation analysis
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You entered 6315-M-J20AB. This table explores the base group 6315; it does not preserve or approve every requested suffix. Search your complete marking first →
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Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“6315” across 5 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 | SKF631575 × 160 × 37 mm | FAG631575 × 160 × 37 mm | TIMKEN631575 × 160 × 37 mm | NSK631575 × 160 × 37 mm | KOYO631575 × 160 × 37 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | 6315 | 6315 | 6315 | 6315 | 6315 |
| Product family | Deep groove ball bearings | — | Radial Deep-Groove Ball | Single row deep groove ball bearings | Single-row / Open type |
| Detailed type | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings | Deep groove ball bearings |
| Series | — | — | 6300 | — | — |
| Bore diameterd | 75 mm | 75 mm | 75 mm | 75 mm | 75 mm |
| Outside diameterD | 160 mm | 160 mm | 160 mm | 160 mm | 160 mm |
| WidthB | 37 mm | 37 mm | 37 mm | 37 mm | 37 mm |
| Basic dynamic load ratingC | 119 kN | 123 kN | 113 kN | 125 kN | 142 kN |
| Basic static load ratingC0 | 76.5 kN | 77 kN | 77 kN | 77 kN | 77.2 kN |
| Fatigue load limitPu | 3 kN | 4.85 kN | — | — | 5.4 kN |
| Reference speednref | 9000 r/min | 5800 r/min | — | — | — |
| Limiting speednG | 5600 r/min | 6300 r/min | — | — | 4200 r/min |
| Mass≈m | 2.99 kg | 3.076 kg | 3.02 kg | 3.08 kg | 3.02 kg |
| Precision class | P6 and tighter width tolerance | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | Without | Without — Not sealed | Open | Open | Open |
| Cage | Sheet metal | JN — Steel sheet metal | Steel cage | — | — |
| Bearing material | Bearing steel | — | — | — | — |
| Lubricant | None | Without — Bearing not greased | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — |
| Boundary dimensions | |||||
| Bearing widthB | — | — | — | 37 mm | — |
| Minimum bearing chamferr min. | — | — | — | 2.1 mm | — |
| Calculation Factors | |||||
| K Factor | — | — | 0.00 | — | — |
| Y1 Factor | — | — | 0.00 | — | — |
| Y2 Factor | — | — | 0.00 | — | — |
| Y0 Factor | — | — | 0.50 | — | — |
| E Factor | — | — | 0.00 | — | — |
| Cg Factor | — | — | 0.0574 | — | — |
| Calculation factors | |||||
| Calculation factorf0 | — | 13.2 | — | — | — |
| Capabilities & suitability | |||||
| Radial load capacity | — | Yes | — | — | — |
| Axial load capacity in one direction | — | Yes | — | — | — |
| Axial load capacity in both directions | — | Yes | — | — | — |
| Suitable for grease lubrication | — | Yes | — | — | — |
| Suitable for oil lubrication | — | Yes | — | — | — |
| Unsealed design | — | Yes | — | — | — |
| Classification | |||||
| Official Category Path | — | — | — | — | Deep groove ball bearings - Single-row - Open type |
| Official Classification 1 | — | — | — | — | Deep groove ball bearings / Single-row / Open type |
| Construction | |||||
| Catalogue closure construction | — | — | — | Open | — |
| Dimensions | |||||
| Minimum chamfer dimensionrmin | — | 2.1 mm | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.083 in | — | — | — |
| Shoulder diameter outer ringD1 | — | 133.34 mm | — | — | — |
| Shoulder diameter outer ringD1 | — | 5.25 in | — | — | — |
| Shoulder diameter inner ringd1 | — | 101.77 mm | — | — | — |
| Shoulder diameter inner ringd1 | — | 4.007 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of shaft abutmentd a | min. 87 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 148 mm | — | — | — | — |
| Radius of shaft or housing filletr a | max. 2 mm | — | — | — | — |
| Engineering — Calculation data | |||||
| SKF performance class | SKF Explorer | — | — | — | — |
| Minimum load factork r | 0.03 | — | — | — | — |
| Calculation factorf 0 | 13.2 | — | — | — | — |
| Engineering — Dimensions | |||||
| Deviation limits of mid-range bore diametert Δdmp | -0.012 to 0 mm | — | — | — | — |
| Deviation limits of mid-range outside diametert ΔDmp | -0.018 to 0 mm | — | — | — | — |
| Deviation limits of ring widtht ΔBs | -0.1 to 0 mm | — | — | — | — |
| Shoulder diameterd 1 | ≈ 101.4 mm | — | — | — | — |
| Recess diameterD 2 | ≈ 138.4 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 2.1 mm | — | — | — | — |
| ISO tolerance class for dimensions | P6 and tighter width tolerance | — | — | — | — |
| Engineering — Tolerances of run-out | |||||
| Range of section height at inner ring of assembled bearingt Kia | 20 µm | — | — | — | — |
| Range of section height at outer ring of assembled bearingt Kea | 45 µm | — | — | — | — |
| ISO tolerance class for geometrical tolerances | Normal | — | — | — | — |
| Load ratings | |||||
| Basic dynamic radial load ratingCr | — | — | — | 125000 N | — |
| Basic static radial load ratingC0r | — | — | — | 77000 N | — |
| Equivalent-load calculation factorf0 | — | — | — | 13.2 | — |
| Logistics | |||||
| Product net weight | 2.99 kg | — | — | — | — |
| eClass code | 23-05-08-01 | — | — | — | — |
| UNSPSC code | 31171504 | — | — | — | — |
| Lubrication-qualified speed | |||||
| Limiting speed with grease | — | — | — | 4800 r/min | — |
| Limiting speed with oil (open bearing) | — | — | — | 6000 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 123,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 27,652.878 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 77,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 17,311.151 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 4,850 N | — | — | — |
| Fatigue load limit, radialCur | — | 1,090.378 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 351831 | — | — | — |
| Material Number | — | — | 000000000100417117 | — | — |
| Official Class Key | — | — | — | — | 010-010-010 |
| Base Type | — | 6315 | — | — | — |
| World Assembly Part Number | — | — | 6315 | — | — |
| Gpsd Group | — | S02 | — | — | — |
| Upc | — | — | 0087796295865 | — | — |
| Product Line Id | — | 14 | — | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:47.497 | — | — |
| SAP material number | — | 0167240890000 | — | — | — |
| Base product | — | 2305080101 | — | — | — |
| Bearing X designation | — | 6315 | — | — | — |
| Mounting Manager ID | — | 6315 | — | — | — |
| Grease application ID | — | 6315 | — | — | — |
| Mounting dimensions | |||||
| Minimum shaft shoulder diameterda min. | — | — | — | 86 mm | — |
| Maximum shaft shoulder diameterda max. | — | — | — | 98.5 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 149 mm | — |
| Maximum shaft or housing fillet radiusra max. | — | — | — | 2 mm | — |
| Minimum diameter shaft shoulderda min | — | 87 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 3.425 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 148 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 5.827 in | — | — | — |
| Maximum fillet radiusra max | — | 2.1 mm | — | — | — |
| Maximum fillet radiusra max | — | 0.083 in | — | — | — |
| Product characteristics | |||||
| Type of SealWithout | — | Not sealed | — | — | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — | — |
| Dimensional / heat stabilizationS0 | — | Rings dimensional stabilized up to 150° | — | — | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — | — | — |
| Bore typeZ | — | Cylindrical | — | — | — |
| Product identity | |||||
| Official product category | Deep groove ball bearings | — | — | — | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/deep-groove-ball-bearings | — | — | — | — |
| Structure group ID | BB1_001_101 | — | — | — | — |
| Available from SKF | Yes | — | — | — | — |
| Remanufacturable | No | — | — | — | — |
| Product Identity | |||||
| Type Description | — | — | Radial Deep-Groove Ball | — | — |
| Construction | — | Deep groove ball bearing 63, single row, steel sheet metal cage | Single Row Deep Groove Ball Bearing | Imperial Series | 2.9528 in Bore | 6.2992 in OD | 1.4567 in Width | Open | Cylindrical Bore | Steel Cage | C0 Clearance | ISO P0 Tolerance | — | — |
| Short Description | — | Deep groove ball bearing | — | — | — |
| Number Of Rows | 1 | — | 1 | — | — |
| Tapered Bore | — | — | N | — | — |
| Properties | |||||
| Filling slots | Without | — | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — | — |
| Bore type | Cylindrical | — | — | — | — |
| Matched arrangement | No | — | — | — | — |
| Radial internal clearance | CN | — | — | — | — |
| Material, bearing | Bearing steel | — | — | — | — |
| Coating | Without | — | — | — | — |
| Relubrication feature | Without | — | — | — | — |
| Indicative carbon footprint for new product | 11.1 kg CO 2 e | — | — | — | — |
| Reference mass | |||||
| Approximate catalogue mass (open reference) | — | — | — | 3.08 kg | — |
| Technical Data | |||||
| d | — | — | — | — | 160 mm |
| Overall Width | — | — | 0.000 mm | — | — |
| B | — | — | — | — | 37 mm |
| Bore Diameter (D) | — | 75 mm | — | — | — |
| Radial Rating | — | — | 0 N | — | — |
| R(Min.) | — | — | — | — | 2.1 mm |
| Outside Diameter (D) | — | 160 mm | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 142 kN |
| Width (B) | — | 37 mm | — | — | — |
| Dynamic Rating C1 | — | — | 113,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 77.2 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 123,000 N | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 5.40 kN |
| Basic Static Load Rating, Radial (C0R) | — | 77,000 N | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Factor : F0 | — | — | — | — | 13.2 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 4200 min-1 |
| Limiting Speed (Ng) | — | 6,300 1/min | — | — | — |
| Static Radial Rating C0 | — | — | 77,000 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 5000 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — |
| Da(Min.) | — | — | — | — | 86 mm |
| Reference Speed (Nϑr) | — | 5,800 1/min | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — |
| Da(Max.) | — | — | — | — | 149 mm |
| Calculation Factor (F0) | — | 13.2 | — | — | — |
| Ra(Max.) | — | — | — | — | 2 mm |
| Fatigue Load Limit, Radial (Cur) | — | 4,850 N | — | — | — |
| Mass(Refer.) | — | — | — | — | 3.02 kg |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 87 mm | — | — | — |
| Shoulder Diameter Inner Ring (D1) | — | 101.77 mm | — | — | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 148 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm | — | — | — |
| Maximum Fillet Radius (Ra Max) | — | 2.1 mm | — | — | — |
| Shoulder Diameter Outer Ring (D1) | — | 133.34 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.