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KOYO BK1512 Needle Roller Bearing 15x21x12mm (Closed End)
KOYO BK1512 drawn cup needle roller bearing, closed end. Bore 15mm, OD 21mm, width 12mm.
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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 JR12x15x12,5 inner ring as the inner raceway
| Brand | Koyo JTEKT |
|---|---|
| Bearing Type | Drawn Cup Needle Roller Bearing |
| Series | BK |
| Measurement System | Metric |
| Inner Diameter (Bore) | 15 mm |
| Outer Diameter | 21 mm |
| Width | 12 mm |
| Configuration | Closed End |
| Material | Chrome Bearing Steel |
| Dynamic Load Rating (Cr) | 7160 N (7.16 kN) |
| Static Load Rating (C₀) | 8570 N (8.57 kN) |
| Limiting Speed (Grease) | 14000 rpm |
| Limiting Speed (Oil) | 21000 rpm |
| Fillet Radius (r min) | 1 mm |
| Compatible Inner Ring | 5, JR12x15x12 |
| Weight | 0.015 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 JR12x15x12,5 inner ring as the inner raceway |
The KOYO BK1512 is a drawn cup (shell type) needle roller bearing with a closed end, for a 15mm 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 15 x 21 x 12mm.
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 JR12x15x12,5 inner ring as the inner raceway. Manufactured by Koyo (JTEKT), Japan.
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