Product Description
What this part is
NTN 6309ZAPX1 single row deep groove ball bearing with one steel shield. Bore Diameter: 45 mm. Outside Diameter: 100 mm. Overall Width: 25 mm. Closure Type: Shield one side. Bore Type: Straight. Rolling Elements: Ball. Number Of Rows: 1. Series: 6300.
Decoding the designation
6309 — single row deep groove ball bearing, 63 medium series, bore code 09 = 45 mm bore. 45 x 100 x 25 mm.
ZA — one removable steel shield; the opposite face is open.
PX1 — NTN special radial tolerance execution.
What these specs mean in practice
The single shield keeps debris out on one side while the open face takes lubricant from the housing. The 63 medium series carries larger balls than the 62 light series on the same bore, for higher radial capacity. Snap Ring Groove: No.
Mounting data
Chamfer Dimension r min: 1.5 mm, per the NTN 6309 envelope.
Quantity and configuration
Unit Quantity: 2 Pcs. Two bearings per purchase. Carton and catalogue markings: 6309ZAPX1, 6309-ZA-PX1, 6309 Z A PX1.
Interchange guidance
The single-shield 6309 envelope, 45 x 100 x 25 mm, is common to SKF 6309-Z, FAG 6309-Z, NSK 6309Z, Koyo 6309Z and MRC 309SF.