NB
NB TWA4UU 1/4" Ball Bushing Block Linear Motion
TWA4UU pillow block slide unit 1/4" bore
✔️ NB TWA4UU linear slide pillow block made in Japan
This single TWA4UU pillow block slide unit from Nippon Bearing (NB) gives you a handy way to support a 1/4" shaft in precision linear motion systems. It uses a high-accuracy linear bushing with a steel retainer and is commonly used in USA-built automation, lab equipment, and motion guides where smooth travel and solid support matter.
✅ Brand: NB Nippon Bearing Linear Systems
✅ Shaft diameter: 1/4"
✅ High accuracy linear bushing
✅ Steel retainer
✅ Dynamic load rating: 267 N
✅ Static load rating: 356 N
✅ Made in Japan
✅ Pack size: 1 slide unit
Dimensions table (inch):
| h | E | W | L | F | T | G | M | B | C | S |
|---|---|---|---|---|---|---|---|---|---|---|
| 7/16" | 13/16" | 1-5/8" | 1-3/16" | 13/16" | 3/16" | 3/4" | 1" | 1-5/16" | 3/4" | 5/32" |
💡 What makes pillow block slide units effective in precision linear motion systems?
They support smooth shaft travel while keeping alignment steady.
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High accuracy bushings help reduce play and wobble
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Rigid housing supports consistent movement under load
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Compact mounting style fits tight motion assemblies
A precise and steady support unit when you want clean linear travel in compact equipment.