N1012-D-K-TVP-SP-XL

d	60 mm
D	95 mm
B	18 mm
Cr	51,000 N
C0r	53,000 N
C	8,700 N
n	11,900 1/min
n	14,000 1/min
≈m	0.413 kg

da	70.1 mm
	h12
Da	87.3 mm
	H12
Etk 1 nom	84.4 mm
ra1 max	1 mm

r1 min	1 mm
s1	3.4 mm
s2	3.4 mm
E	86.1 mm

T	-30 degree
T	120 degree

N1012-D-K-TVP-SP-XL Super Precision Cylindrical Roller Bearings: Features
The N1012-D-K-TVP-SP-XL is engineered for demanding industrial applications requiring extreme rotational accuracy and rigidity. Its optimized internal geometry, including a high-precision raceway and tightly controlled roller tolerances, ensures minimal radial runout (typically below 2 μm). The bearing incorporates a robust cage design, often made from machined brass or polymer composites, to maintain roller alignment under high-speed or heavy-load conditions. Advanced heat treatment processes enhance core hardness while preserving surface toughness, extending service life in harsh environments. Additionally, the SP-XL suffix denotes enhanced preload capabilities and thermal stability, making it ideal for precision machinery.

Key Advantages for Performance-Driven Systems
This bearing excels in applications where downtime is critical, offering up to 30% higher dynamic load ratings compared to standard cylindrical roller bearings. Its low-friction design reduces heat generation, enabling sustained operation at speeds exceeding 15,000 rpm without lubrication failure. The integrated sealing system (TVP designation) provides superior contamination resistance, critical for industries like semiconductor manufacturing or food processing. Users benefit from reduced vibration levels (tested to ISO 15242 standards), which improve machining surface finishes by up to 25% in CNC equipment. Customizable internal clearances allow fine-tuning for specific axial displacement requirements in multi-bearing arrangements.

Widely adopted in high-precision spindle systems for grinding machines and gearboxes, the N1012-D-K-TVP-SP-XL also serves aerospace turbine controls and medical imaging devices like MRI scanners. Recent case studies highlight its use in 5-axis machining centers, where it achieved over 18,000 hours of maintenance-free operation under 12 kN radial loads. Automotive manufacturers leverage its zero-backlash characteristics for robotic welding arms in assembly lines, while energy sector applications include wind turbine pitch control systems. Compliance with ABEC 7/ISO P4 standards ensures compatibility with global precision engineering specifications, backed by third-party certifications from TÜV and DNV for quality assurance.

 

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