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Angular Contact Ball Bearing ZKLF1560-2RS-XL INA

The ZKLF1560‑2RS‑XL, manufactured by INA under TIMKEN group, is a pre‑loaded double‑direction thrust angular contact ball bearing with 2RS rubber contact seals, specially engineered for screw drives and compact high‑precision assemblies. This unitised bearing supports high combined radial and axial forces, delivering rigid rotation for precision machinery under dynamic operating conditions.

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ZKLF1560‑2RS‑XL INA (TIMKEN) Angular Contact Ball Bearing Technical Specification

The ZKLF1560‑2RS‑XL, manufactured by INA under TIMKEN group, is a pre‑loaded double‑direction thrust angular contact ball bearing with 2RS rubber contact seals, specially engineered for screw drives and compact high‑precision assemblies. This unitised bearing supports high combined radial and axial forces, delivering rigid rotation for precision machinery under dynamic operating conditions.
Dimension Parameters (per INA official standard): Bore diameter d = 15 mm, outer diameter D = 60 mm, overall width B = 25 mm, mounting flange diameter 72 mm, maximum chamfer radius r = 0.6 mm. Tolerance grade P0, axial preload preset at factory, standard internal clearance for general precision applications. Threaded mounting holes are integrated into the outer flange for direct bolt‑on installation.
Material Specifications: Inner ring, outer ring and steel balls adopt AISI 52100 high‑carbon chromium bearing steel, quenched hardness 61‑65 HRC, featuring outstanding contact‑fatigue resistance, high wear resistance and stable dimensional performance. The polymer cage is made of glass‑fibre reinforced PA66‑GF25, offering low friction, good shock resistance and anti‑aging properties. Nitrile rubber (NBR) forms the 2RS sealing lips to block dust and moisture intrusion.
Core Manufacturing Processes: Raw steel undergoes closed‑die forging to optimise metal grain flow. Precision turning forms flange contours and raceway blanks. Controlled quenching and tempering minimise internal stress. Raceway grinding and superfinishing achieve ultra‑low surface roughness, reducing rolling friction and heat generation. Factory pre‑load adjustment guarantees consistent stiffness across production batches.
Service Life: Nominal L10 life is calculated following ISO 281. Under standard load, proper lubrication and clean environment, the nominal service life reaches 12 500 operating hours. Major life‑limiting factors include excessive axial overload, seal damage, lubricant degradation and shaft misalignment.
Applications & Industries: Mainly used for ball screw supports in CNC machine tools, automation equipment, semiconductor processing machinery and packaging lines. Its built‑in flange mounting and pre‑loaded rigidity make it ideal for compact precision drive units requiring high positioning accuracy.
Maintenance Requirements: Perform inspection every 1500‑2500 operating hours. Use lithium‑based EP grease; fill 25‑35 % of internal free volume. Keep sealing surfaces clean. Monitor temperature, noise and vibration; shut down equipment immediately when leakage or abnormal noise appears.

BRAND	FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/THK/HIWIN/PMI
BEARINGS NO.	ZKLF1560-2RS-XL INA
TYPE	Angular Contact Ball Bearings
Inner(d)mm	15
Outer(D)mm	60
Width(B)mm	25
WEIGHT/KG	0.37
EAN CODE	4012802 078619

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