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KOYO BK3520 Needle Roller Bearing 35x42x20mm (Closed End)
KOYO BK3520 drawn cup needle roller bearing, closed end. Bore 35mm, OD 42mm, width 20mm.
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- Closed end seals and protects the end of the shaft
- Drawn cup (shell type) needle roller bearing - thin-walled deep-drawn outer shell forms the raceway
- 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
- Press-fit into the housing bore - no axial location fixtures required
- Use with a hardened shaft or JR30x35x20.5 inner ring as the inner raceway
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Drawn Cup Needle Roller Bearing |
| Series | BK |
| Measurement System | Metric |
| Inner Diameter (Bore) | 35 mm |
| Outer Diameter | 42 mm |
| Width | 20 mm |
| Configuration | Closed End |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 24500 N (24.5 kN) |
| Static Load Rating (C₀) | 46800 N (46.8 kN) |
| Limiting Speed (Grease) | 5900 rpm |
| Limiting Speed (Oil) | 9100 rpm |
| Fillet Radius (r min) | 1 mm |
| Compatible Inner Ring | JR30x35x20.5 |
| Weight | 0.065 kg |
| Features & Benefits | Closed end seals and protects the end of the shaft Drawn cup (shell type) needle roller bearing - thin-walled deep-drawn outer shell forms the raceway 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 Press-fit into the housing bore - no axial location fixtures required Use with a hardened shaft or JR30x35x20.5 inner ring as the inner raceway |
The KOYO BK3520 is a drawn cup (shell type) needle roller bearing with a closed end, for a 35mm 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 35 x 42 x 20mm.
The closed-end type is completely closed on one side, sealing and protecting the end of the shaft. 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 JR30x35x20.5 inner ring as the inner raceway. Manufactured by Koyo (JTEKT), Japan.
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