FAGNU1052-F-P53Cylindrical Roller Bearing 260 x 400 x 65 mm, NU Non-Locating, Low Section, P5 Class, C3 Clearance

Product Description

What this part is:

FAG NU1052-F-P53 single-row cylindrical roller bearing, 260 mm bore, 400 mm outside diameter, 65 mm wide. Non-locating NU design with a machined steel cage, P5 tolerance class and C3 internal clearance. Complete bearing: ribbed outer ring, roller complement in the machined steel cage, and ribless inner ring. Unit Quantity: 1 Pc.

Decoding the designation:

NU — ribless inner ring, non-locating: the shaft is free to move axially through the bearing.

1052 — NU10 dimension series, FAG’s very low cross-section cylindrical family; bore code 52 = 260 mm.

F — machined solid steel cage, roller-guided.

P53 — FAG combined code: P5 tolerance class with C3 internal clearance.

Specifications:

Bore Diameter: 260 mm. Outside Diameter: 400 mm. Overall Width: 65 mm. Number Of Rows: 1. Rolling Elements: Cylindrical Roller. Cage Material: Steel. Cage Type: Machined, roller-guided. Precision Class: P5 (ISO class 5). Internal Clearance: C3. Closure Type: Open. Axial location: non-locating, radial load only. Separable: yes, the ribless inner ring lifts out of the roller-and-outer assembly.

Dimensions and mounting:

Bore Diameter: 260 mm (10.236 in). Outside Diameter: 400 mm (15.748 in). Overall Width: 65 mm (2.559 in). Bore Type: Straight.

Compatibility and replacement:

ISO base number NU1052. Same 260 x 400 x 65 mm non-locating envelope: SKF NU 1052 MA, NSK NU1052M, NTN NU1052 (base size, not P5/C3). Related designs on the same base: NJ1052 locates one direction, NUP1052 locates both directions, NU1052-M1 is the machined brass cage variant.

Frequently asked questions:

What are the dimensions of the FAG NU1052-F-P53?

Bore 260 mm, outside diameter 400 mm, width 65 mm.

What do the F and P53 suffixes mean?

F is a machined solid steel cage guided on the rollers. P53 is FAG’s combined code for P5 tolerance class with C3 internal clearance.

Is the NU1052-F-P53 a locating or non-locating bearing?

Non-locating. The NU design has a ribless inner ring, so it carries radial load and the shaft moves axially through it.