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Type: Ball
Structure: Other Structure
Place of Origin: China (Mainland)
Seals Type: open/sealed
Precision Rating: P4/P2
Model Number: B707E.T.P4S
Outside Diameter: 5-7 mm
Bore Size: 16-19 mm
Brand Name: BEART
structure: ball bearing
precision: P4 or P2
application: spindle shaft

Specifications

 

Beart Enterprise Co., Limited manufactures spindle bearing with high precision grade P4, P2, or beyond P2. Standard series utilizes bearing steel material (100Cr6/SAE52100/SUJ2) for the rings, PEEK, nylon, phenol-formaldehyde resin for cage. A precision hybrid bearing utilizes ceramic material Si3N4 as ball material. They work individually, or with another or more bearing as universal matching bearing.

 

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Spindle bearing mainly used for applications where a high working speed and rotating accuracy are required, like machine tool, aircraft, medical, special equipment.

 

Pre fix and suffix of spindle bearings:

C: Contact Angle α = 15°

E: Contact Angle α = 25°

B: standard design, steel balls

HCB: hybrid, standard design, ceramic balls

XCB: X-life ultra ceramic balls

HS: high-speed bearing, steel balls

HSS: high-speed bearing, steel balls, sealed

HC: high-speed bearing, ceramic balls

HCS: high-speed bearing, ceramic balls, sealed

XC: X-life ultra high-speed bearing, ceramic balls

XCS: X-life ultra high-speed bearing, ceramic balls, sealed

2RSD: seals at both sides and greased for life

L: light

M: medium

H: heavy

U: single bearing, any arrangement

DU: set of 2 universal bearings

TU: set of 3 universal bearings

QU: set of 4 universal bearings

PU: set of 5 universal bearings

DB: set of 2 bearings, back-to-back arrangement

DF: set of 2 bearings, face-to-face arrangement

DT: set of 2 bearings, tandem arrangement

TBT: set of 3 bearings, tandem-O-arrangement

QBT: set of 4 bearings, tandem-O-tandem arrangement

P4S: ABEC7 nominal tolerance, ABEC9 running accuracy

T: textile laminated phenolic resin cage, outer ring centered

TPA: textile laminated phenolic resin cage, outer ring centered, series B718

Spindle Bearing