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300BTR10S Angular Contact Thrust Ball Bearings
Dimensions: Bore (Inner) Diameter: 300 mm; Outer Diameter: 460 mm; Width (Thickness): 142.5 mm;

300BTR10S
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Product Attributes
Bearing Type Ball
For Load Direction Combined Radial and Thrust
Construction Two
Single Row/Double Row Single
Seal Type Open
Precision Rating P4A (ABEC-7)
Contact Angle 40
Part Number 300BTR10S
Arrangement DB (back-to-back arrangement)
Bore Dia (d) 300 mm
Bore Dia Tolerance -0.014mm to 0
Outer Dia (D) 460 mm
Outer Dia Tolerance -0.017mm to 0
Width (B) 142.5 mm
Width Tolerance -0.35mm to 0
Ring Material 52100 Chrome steel
Ball Material Ceramic Ball Si3N4
Cage Material TYN (ball guided polyamide resin cage)
Dynamic Load Rating (Cr) (KN) 370
Static Load Rating (Cor) (KN) 1160
Axial Load (KN) 675
Max Speed (Grease) (RPM) 1500
Max Speed (Oil) (RPM)  2000
Preload EL (extra light preload)
L (light preload)
CP (special preload)
CA (special axial clearance)
Lubrication Required
Shaft Mount Type Press Fit
Temperature Range -40 to 120 ºC
Weight (grams) 44900
RoHS Compliant
300BTR10S
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