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| Parameter | TIMKENNUP417MAC485 × 210 × 52 mm | KOYONUP41785 × 210 × 52 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | TIMKEN | KOYO |
| Designation | NUP417MAC4 | NUP417 |
| Product family | Cylindrical 1-Row | Single-row / NUP |
| Detailed type | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | NCS-231684 | — |
| Bore diameterd | 85 mm | 85 mm |
| Outside diameterD | 210 mm | 210 mm |
| WidthB | 52 mm | 52 mm |
| Basic dynamic load ratingC | 409 kN | 416 kN |
| Basic static load ratingC0 | 398 kN | 350 kN |
| Fatigue load limitPu | — | 49.7 kN |
| Limiting speednG | — | 3000 r/min |
| Mass≈m | 10 kg | 9.1 kg |
| Sealing | Open | — |
| Cage | Window Brass cage | — |
| Calculation Factors | ||
| K Factor | 0.00 | — |
| Y1 Factor | 0.00 | — |
| Y2 Factor | 0.00 | — |
| Y0 Factor | 0.00 | — |
| E Factor | 0.00 | — |
| Cg Factor | 0.0954 | — |
| Classification | ||
| Official Category Path | — | Cylindrical roller bearings - Single-row - NUP |
| Official Classification 1 | — | Cylindrical roller bearings / Single-row / NUP |
| Manufacturer Identity | ||
| Material Number | 000000000190038230 | — |
| Official Class Key | — | 040-010-000 |
| World Assembly Part Number | NUP417MA | — |
| Inner Ring Part Number | 85ARTA04 | — |
| Outer Ring Part Number | 85ERUA04 | — |
| Drawing Number | M950665 | — |
| Upc | 0053893164823 | — |
| Official Source System | CORE BP - DS DF | — |
| Official Last Run | 2026-08-23T20:02:47.757 | — |
| Product Identity | ||
| Type Description | Cylindrical 1-Row | — |
| Construction | Single Row Cylindrical Roller Bearing | Imperial Series | 3.3465 in Bore | 8.2677 in OD | 2.0472 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C4 Clearance | — |
| Number Of Rows | 1 | — |
| Tapered Bore | N | — |
| Technical Data | ||
| d | — | 210 mm |
| B | — | 52 mm |
| R(Min.) | — | 4 mm |
| R1(Min.) | — | 4 mm |
| Overall Width | 0.000 mm | — |
| Fw | — | 113 mm |
| Radial Rating | 409,000 N | — |
| Ew | — | - mm |
| Axial Rating | 0 N | — |
| Basic Load Ratings : Cr | — | 416 kN |
| Dynamic Rating C1 | 409,000 N | — |
| Basic Load Ratings : C0R | — | 350 kN |
| Dynamic Rating C90 | 0 N | — |
| Fatigue Load Limit : Cu | — | 49.7 kN |
| Dynamic Axial Rating Ca90 | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | 3000 min-1 |
| Dynamic Axial Rating Ca1 | 0 N | — |
| Limiting Speeds(Oil Lub.) | — | 4000 min-1 |
| Static Radial Rating C0 | 398,000 N | — |
| Sd1 | — | - mm |
| Extended Dynamic Rating Ce | 0 N | — |
| B1 | — | - mm |
| Static Axial Rating C0A | 0 N | — |
| B2 | — | - mm |
| Da(Min.) | — | 101 mm |
| Db(Min.) | — | - mm |
| Db(Max.) | — | - mm |
| Dc(Min.) | — | - mm |
| Dd(Min.) | — | - mm |
| Da(Max.) | — | 194 mm |
| Ra(Max.) | — | 3 mm |
| Rb(Max.) | — | 3 mm |
| Mass(Refer.) | — | 9.1 kg |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.