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| Parameter | SKFAXK 0821 TN8 × 21 × mm | INAAXK0821-TV8 × 21 × 2 mm | KOYOAXK0821TNNeedle roller bearings |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | INA | KOYO |
| Designation | AXK 0821 TN | AXK0821-TV | AXK0821TN |
| Product family | Needle roller thrust bearings | — | Thrust needle roller bearings / Metric series, separate type / Thrust needle roller and cage assembly(AXK,FNT) |
| Detailed type | Needle roller and cage thrust assembly | Axial needle roller and cage assembly | Needle roller bearings |
| Series | — | AXK0821 | — |
| Bore diameterd | 8 mm | 8 mm | — |
| Outside diameterD | 21 mm | 21 mm | — |
| WidthB | — | 2 mm | — |
| HeightH | 2 mm | — | — |
| Basic dynamic load ratingC | 7.2 kN | — | — |
| Basic static load ratingC0 | 20 kN | — | — |
| Fatigue load limitPu | 2.32 kN | — | 2 kN |
| Reference speednref | 5600 r/min | 8800 r/min | — |
| Limiting speednG | 11000 r/min | 17700 r/min | 20000 r/min |
| Mass≈m | 0.0015 kg | 0.0015 kg | 0.001 kg |
| Cage | Non-metallic | — | — |
| Bearing material | Bearing steel | — | — |
| Classification | |||
| Official Category Path | — | — | Needle roller bearings - Thrust needle roller bearings - Metric series, separate type - Thrust needle roller and cage assembly(AXK,FNT) |
| Official Classification 1 | — | — | Needle roller bearings / Thrust needle roller bearings / Metric series, separate type / Thrust needle roller and cage assembly(AXK,FNT) |
| Engineering — Associated products | |||
| Universal washer | LS 0821 | — | — |
| Thin universal washer | AS 0821 | — | — |
| Engineering — Dimensions | |||
| Diameter rollerD w | 2 mm | — | — |
| Raceway diameter (min.) roller and cage thrust assemblyE a | min. 9 mm | — | — |
| Raceway diameter (max.) roller and cage thrust assemblyE b | max. 20 mm | — | — |
| Logistics | |||
| Product net weight | 0.0015 kg | — | — |
| eClass code | 23-05-09-03 | — | — |
| UNSPSC code | 31171512 | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 396878 | — |
| Official Class Key | — | — | 090-040-010 |
| Base Type | — | AXK0821 | — |
| Gpsd Group | — | I01 | — |
| Product Line Id | — | 26 | — |
| Product identity | |||
| Official product category | Needle roller thrust bearings | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/needle-roller-thrust-bearings | — | — |
| Structure group ID | BGN_001 | — | — |
| Available from SKF | Yes | — | — |
| Remanufacturable | No | — | — |
| Product Identity | |||
| Construction | — | Axial needle roller and cage assemblies, single direction, to DIN 5405-2 | — |
| Short Description | — | Axial needle roller and cage assembly | — |
| Properties | |||
| Bearing part | Needle roller and cage assembly | — | — |
| Roller grade | G2 | — | — |
| Material, bearing | Bearing steel | — | — |
| Coating | Without | — | — |
| Indicative carbon footprint for new product | 0.006 kg CO 2 e | — | — |
| Technical Data | |||
| Dc1 | — | — | 8 mm |
| Dc | — | — | 21 mm |
| Dw | — | — | 2 mm |
| Bore Diameter Cage (Dc1) | — | 8 mm | — |
| Ea | — | — | 18.6 mm |
| Outside Diameter (Dc) | — | 21 mm | — |
| Eb | — | — | 9.6 mm |
| Rolling Element Diameter (Dw) | — | 2 mm | — |
| Ra(Max.) | — | — | 0.3 mm |
| Basic Dynamic Load Rating, Axial (Ca) | — | 7,800 N | — |
| Basic Load Ratings Ca | — | — | 8.34 kN |
| Basic Static Load Rating, Axial (C0A) | — | 19,400 N | — |
| Basic Load Ratings C0A | — | — | 21.1 kN |
| Raceway Dimension (Eb) | — | 9 mm | — |
| Fatigue Load Limit : Cu | — | — | 2.00 kN |
| Limiting Speed (Limiting Spe) | — | 17,700 1/min | — |
| Limiting Speeds(Oil Lub.) | — | — | 20000 min-1 |
| Reference Speed (Nϑr) | — | 8,800 1/min | — |
| (Refer.)Mass | — | — | 0.001 kg |
| Fatigue Load Limit, Axial (Cua) | — | 2,010 N | — |
| Washer Dimensions : D,D1 | — | — | 21 mm |
| Raceway Dimension (Ea) | — | 20 mm | — |
| Thin Washer Dimensions : H1 | — | — | 1.00 mm |
| Thin Washer No. | — | — | AS0821 |
| Thin (Refer.)Mass | — | — | 0.002 kg |
| Heavy(Ls) Washer Dimensions : H | — | — | 2.75 mm |
| Heavy(Ls) Washer Dimensions : A | — | — | 0.30 mm |
| Heavy(Ls) Washer No. | — | — | LS0821 |
| Heavy(Ls) (Refer.)Mass | — | — | 0.004 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.