B7014-C-T-P4S-UL

 

Main Dimensions & Performance Data

d	70 mm	Bore diameter
D	110 mm	Outside diameter
B	20 mm	Width
Cr	50,000 N	Basic dynamic load rating, radial
C0r	30,500 N	Basic static load rating, radial
Cur	3,250 N	Fatigue load limit, radial
nG Grease	13,000 1/min	Limiting speed for grease lubrication
nG Oil	20,000 1/min	Limiting speed for oil lubrication
≈m	0.59 kg	Weight

Mounting dimensions

da	77 mm	Diameter shaft shoulder
da	h12	Diameter shaft shoulder clearance
Da	102 mm	Shoulder diameter outer ring
Da	H12	Shoulder diameter outer ring clearance
ra max	1 mm	Maximum recess radius
ra1 max	0.6 mm	Maximum recess radius
Etk min	82.4 mm	Minimum diameter injection pitch
Etk max	86.7 mm	Maximum diameter injection pitch
Etk1 min	82.4 mm	Minimum diameter injection pitch
Etk1 max	86.7 mm	Maximum diameter injection pitch
a	22.1 mm	Distance between the apexes of the pressure cones

Dimensions

rmin	1.1 mm	Minimum chamfer dimension
r1 min	1.1 mm	Minimum chamfer dimension
α	15 °	Contact angle

Temperature range

Tmin	-30 °C	Operating temperature min.
Tmax	100 °C	Operating temperature max.

Additional information

FV L	276 N	Preload force light
FV M	894 N	Preload force medium
FV H	1,790 N	Preload force heavy
KaE L	853 N	Lift-off force light
KaE M	2,995 N	Lift-off force medium
KaE H	6,414 N	Lift-off force heavy
ca L	74 N/µm	Axial rigidity light
ca M	125 N/µm	Axial rigidity medium
ca H	179 N/µm	Axial rigidity heavy

B7014-C-T-P4S-UL Spindle Bearing: Precision Engineered for Demanding Applications
The B7014-C-T-P4S-UL spindle bearing is a high-precision angular contact ball bearing designed for ultra-high-speed operation and extreme rigidity. Featuring a 15° contact angle and a reinforced steel cage, it minimizes friction while maintaining stability under heavy radial and axial loads. Its P4S-grade manufacturing ensures tight tolerance control (ABEC 7/ISO Class 4), critical for applications requiring micron-level accuracy. The UL-certified heat-resistant lubricant extends service life even in continuous high-temperature environments, making it a reliable choice for industries prioritizing uptime and performance consistency.

Superior Performance in Critical Machinery
Optimized for CNC machining centers, grinding spindles, and high-speed robotics, the B7014-C-T-P4S-UL excels in scenarios demanding zero downtime. Its hybrid ceramic-ball design (optional) reduces centrifugal forces by 40% compared to all-steel variants, enabling RPM limits exceeding 18,000. The triple-lip sealing system effectively blocks contaminants without compromising speed capabilities, while the preload-adjustable configuration allows fine-tuning for vibration-sensitive equipment. Tested under ISO 15242-2 standards, this bearing delivers 30% longer fatigue life than standard P4 bearings, translating to reduced maintenance costs in precision tooling and medical device manufacturing.

Industry-Specific Adaptability
Widely adopted in aerospace turbine controls, dental drill motors, and semiconductor wafer handlers, the B7014-C-T-P4S-UL meets stringent industry certifications including RoHS and REACH. Its compact 70x110x20mm dimensions enable integration into space-constrained assemblies without sacrificing load capacity (dynamic: 32 kN, static: 22 kN). Electrical insulation variants are available for EDM applications, preventing arcing damage. Leading CNC manufacturers report 15% improvement in surface finish quality when retrofitting with this bearing series, underscoring its impact on productivity and end-product precision in automated manufacturing ecosystems.

 

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