China China OEM Turbocharger Thrust Bearing - NN3012KTN/SP Super-precision Double-row cylindrical roller bearing – CWL manufacturers and suppliers

China OEM Turbocharger Thrust Bearing - NN3012KTN/SP Super-precision Double-row cylindrical roller bearing – CWL

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China OEM Turbocharger Thrust Bearing - NN3012KTN/SP Super-precision Double-row cylindrical roller bearing – CWL Detail:

These bearings are therefore particularly well suited for machine tool spindles where the bearing arrangement must accommodate heavy radial loads and high speeds, while providing a high degree of stiffness, double row bearings are more suitable for heavier loads.

Double-row cylindrical roller bearings have two structures: cylindrical inner bore and conical inner bore (the bearing rear code plus K). The conical inner hole can also play the role of micro-adjustment of the clearance, and can simplify the structure of the positioning device and facilitate installation and disassembly.

Commonly used double row cylindrical roller bearings have the following types: NN series, NNU series, and NNF series.Tolerances: SP, UP, SP and UP for 1:12 tapered bore.

NN3012KTN/SP Super-precision Double-row cylindrical roller bearing Suffix description
K:Tapered Bore, Taper 1:12
TN: PA66 cage
SP:Special Precision Class For Machine Tool Bearings: Dimensional Accuracy Approximately To P5, Running Accuracy Approximately To P4

Super-precision cylindrical roller bearings are characterized by:
High speed capability
High radial load carrying capacity
High rigidity
Low friction
Low cross-sectional height

NN3012KTN/SP Double-row cylindrical roller detail Specifications

Main Dimensions
Bore diameter (d):60mm
Outer diameter(D):95mm
Width(B): 26mm
Limiting rating Pu:12.7Kn
Dynamic load ratings (Cr): 73.7KN
Static load rating (Cor): 106KN
Limiting speeds grease :9000 rpm
Limiting speeds oil:10000rpm

ABUTMENT DIMENSIONS
Abutment diameter shaft (da)min.:66.5mm
Abutment diameter housing(Da)min.:87mm
Abutment diameter housing(Da)max.:88.5mm
Oil nozzle position (not for variants with TNHA cage) dn:85mm

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No matter new customer or old customer, We believe in long term and trusted relationship for China OEM Turbocharger Thrust Bearing - NN3012KTN/SP Super-precision Double-row cylindrical roller bearing – CWL , The product will supply to all over the world, such as: Romania, Los Angeles, Guatemala, After years of development, we have formed strong ability in new product development and strict quality control system to ensure excellent quality and service. With the support of many long term cooperated customers, our products are welcomed all over the world.

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