BearingBrain

Parts Intelligence

Part page

NTN BT1B 328688 AC/Q

Tapered · Open

Bore

29 mm

Outside dia

50.29 mm

Width

14.73 mm

Dynamic C

26.0 kN

Static C0

32.5 kN

Speed grease

9,500 rpm

Speed oil

14,000 rpm

Clearance

CN (Normal)

Precision

P0 (Class4)

Weight

0.153 kg

Interactive view — 3D model + CAD files → Substitution sheet — printable →

Evidence

catalog-search · eligible · eval ship · deterministic executor · partsbrain pull 2026-09-08

Interchange family — 8 records

Part number	Manufacturer	Bore×OD×Width	C
BT1B 328688 AC/Q	KOYO (JTEKT)	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	INA (Schaeffler)	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	MinebeaMitsumi (NMB)	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	Nachi Fujikoshi	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	FAG (Schaeffler)	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	Timken	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	RBC Bearings	29×50.292×14.732	26.0 kN
BT1B 328688 AC/Q	Peer Bearing	29×50.292×14.732	26.0 kN