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KOYO HK2018-RS Needle Roller Bearing 20x26x18mm (Open End, Single Seal (RS))
KOYO HK2018-RS drawn cup needle roller bearing, open end, single seal (rs). Bore 20mm, OD 26mm, width 18mm.
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- Drawn cup (shell type) needle roller bearing - thin-walled deep-drawn outer shell forms the raceway
- Fitted with single seal (rs) for lubricant retention and contamination exclusion
- High radial load capacity from the needle roller complement
- Koyo (JTEKT) precision manufacture to JIS standards
- Lowest sectional height of any needle roller bearing for a very compact arrangement
- Maximum operating temperature approximately 140C
- Open ends (standard type) with a narrow flange gap to retain grease and exclude contaminants
- Press-fit into the housing bore - no axial location fixtures required
- Use with a hardened shaft or JR17x20x20.5 inner ring as the inner raceway
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Drawn Cup Needle Roller Bearing |
| Series | HK |
| Measurement System | Metric |
| Inner Diameter (Bore) | 20 mm |
| Outer Diameter | 26 mm |
| Width | 18 mm |
| Configuration | Open End |
| Seal Type | Single Seal (RS) |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 12400 N (12.4 kN) |
| Static Load Rating (C₀) | 18900 N (18.9 kN) |
| Limiting Speed (Grease) | 9700 rpm |
| Fillet Radius (r min) | 1 mm |
| Compatible Inner Ring | JR17x20x20.5 |
| Weight | 0.025 kg |
| Features & Benefits | Drawn cup (shell type) needle roller bearing - thin-walled deep-drawn outer shell forms the raceway Fitted with single seal (rs) for lubricant retention and contamination exclusion High radial load capacity from the needle roller complement Koyo (JTEKT) precision manufacture to JIS standards Lowest sectional height of any needle roller bearing for a very compact arrangement Maximum operating temperature approximately 140C Open ends (standard type) with a narrow flange gap to retain grease and exclude contaminants Press-fit into the housing bore - no axial location fixtures required Use with a hardened shaft or JR17x20x20.5 inner ring as the inner raceway |
The KOYO HK2018-RS is a drawn cup (shell type) needle roller bearing with open ends, for a 20mm shaft (metric series). Its thin-walled, deep-drawn outer shell forms the outer raceway, giving the lowest sectional height of any needle bearing while carrying high radial loads in a compact, economical package. Boundary dimensions 20 x 26 x 18mm.
The open-end (standard) type has a narrow flange gap that helps retain grease and exclude contamination. This variant has single seal (rs) for retained lubrication and contamination exclusion in service. The bearing is press-fitted into the housing bore, so no axial location fixtures are needed; maximum operating temperature approximately 140C. Use with a hardened shaft or the JR17x20x20.5 inner ring as the inner raceway. Manufactured by Koyo (JTEKT), Japan.
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