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#1133370

Image for Illustration purposes only. Actual product may vary

MRC 7303 ANGULAR CONTACT BALL BRGS

$18.00 Each

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Nov. 4, 2018

As the bearing run progressively at high speed, the problem of overheating can easily occur especially with poor cooling. The main symptoms of overheating include discoloration of the balls, cages, and rings from gold to blue.

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Additional Description

Item Details
Manufacturer: MRC Bearing Service
Weight: 0.281 lbs.
Product Name: 7300 Medium Series Ball Bearing
Description: Single Row Angular Contact Bearing, 17 mm ID x 47 mm OD x 14 mm Wide, Open, Standard Precision (ABEC 1), Steel Cage, Normal Clearance (C0), 29° Contact Angle
Specifications
Inch/MetricMetric BoreBore TypeRound Bore
I.D.17 mmO.D. [Min]
O.D. [Max]O.D.47 mm
Width [Min]Width [Max]
Width14 mmEnclosureOpen
Rows of BallsSingleMaterialSteel
O.D. TypeStraightBearing TypeAngular Contact
PrecisionStandardRadial Internal Clearance SpecificationNormal Clearance
Ambient Temperature Range [Min]Ambient Temperature Range [Max]
Ball MaterialSteelCage TypeMetal
CapacityStandard CapacityContact Angle29°
Guide TypeLubrication
Outer Ring Width14 mmPrecision LevelStandard (ABEC 1)
Preload LevelNoneSeal MaterialNone
Seal TypeUnsealedSeal Width
Dynamic Load Rating3570 lbfStatic Load Rating [Max]1940 lbf
Ball Dia.Bearing Design
Bore BCage MaterialSteel
Collar No.Collar O.D.
Collar WidthCorner Radius [Min]
Eccentric Collar OffsetFillet Radius1 mm
Flange O.D. [Max]Flange O.D.
Flange Width [Max]Flange Width
Flush GroundHousing Shoulder Diameter [Min]
Housing Shoulder Diameter [Max]Housing Shoulder Diameter
Industry Standard Part #Inner Ring O.D.
Inner Ring OffsetInner Ring Width14 mm
Internal DesignLimiting Speed
Limiting Speed - Grease15000 rpmLimiting Speed - Oil19000 rpm
Limiting Speed - SealedLocking DeviceNo Locking Device
Lube Hole CenterLubricantOil Preservative
Misalignment RangeNo. in SetSingle Bearing
No. of BallsO.D. (B)
Outer RingOuter Ring Inner Diameter
Outer Ring SizePeak Running Torque (mg-mm)
Peak Starting Torque (mg-mm)Pre Lubricant
Preload AmountRadial Internal ClearanceNormal
Radial Load Rating [Max]Radial Rigidity (lbf/µm)
Reference SpeedSeal O.D.
Seal Protection WidthSeating Washer
SeriesSet Screw Offset
Set Screw SizeShaft Shoulder Diameter [Min]
Shaft ToleranceSnap RingNo Snap Ring
Snap Ring O.D.Snap Ring Offset
Snap Ring ThicknessSpecial Features
StampingStatic Thrust Load Rating [Max]
Temperature Range [Min]Temperature Range [Max]450 °F
Use With  
Product Information
General
7000 Series bearings are single-row 29° angular contact bearings having one heavy race shoulder and one counterbored race shoulder on the outer ring. Because of this construction, it is possible to incorporate a greater number of balls than in the deep groove nonfilling notch bearing. the combination of maximum ball complement and the angular contact feature reduces the specific ball loading under thrust load, resulting in high thrust load carrying capacity. MRC 7000 Series angular contact bearings should be used in applications in which the thrust load is especially heavy and beyond the capacity of singlerow types; for example, for a vey heavy thrust load in one direction, or a heaby thrust load in one direction combined with a radial load. Cage Types and Materials: For normal usage: heavy stock, two-piece steel formed pockets, with turned-over fingers or riveted together. For severe vibration, very high speeds, or high operating temperatures: one-piece machined construction of suitable material (phenolic composition, bronze, or special material riding ground O.D. of inner ring). 7300 series bearings have the same ring and ball cage construction as the 7200 Series but are heavier sectioned bearings with a ball complement capable of handling heavier loads. 7300 Series are listed with bore sizes from 10 mm to 280 mm. For two-directional thrust loads, use duplex bearings.

Specifications:

Cage Metal
I.D. 0.669
Locking None
O.D. 1.85
Bearing Type Angular Contact
Enclosure Open

Return policy

Item must be unused.

Item must be in it's original package.

Product's availability

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