MBR3307

3000 Series 4-Bolt Flange Spherical Roller Bearing Cartridge Unit

Item #100739123

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Product Details

Easy bearing clearance: can be field adjusted to meet application needs
Mounting to suit the load and installation requirements
Shaft ready: prelubricated with standard grease for normal operation
other lubricants available for special conditions
Fully self-aligning: spherical roller bearing to accommodate operational and installation misalignment
Rugged housing: standard material – cast iron, steel or ductile iron available on request
Carburized raceways: case-carburized inner races provide a hard, fatigue-resistant surface and a tough, crack-resistant ductile core
Interchangeable seals: three types of seals to match the application requirements: Z seal, for the broad range of normal operating conditions
K seal, for dusty, dirty conditions
and M seal, for protection against liquid contamination
For extra protection under severe conditions, auxiliary caps are also available
Spherical bearing design accomodates continual misalignment.
Collar is larger, thicker, and heavier to provide increased surface area contact with shaft.
Threaded cover and microlock design allows bearing clearance adjustment, off-the-shelf units to meet special requirements.
Wedges tight during operation, even if setscrews loosen.
Carburized (case-hardened) inner ring resists fracturing, even under heavy loads
Units are completely preassembled, preadjusted, greased, sealed, and ready to mount.
Grips tight, even with undersized shafting.

Specifications

Pilot Depth	1 1/4 in
Flange Thickness	15/16 in
Temperature Range [Min]	-40 °F
Style	4-Bolt Piloted Flange
Series	3000
RPM [Max]	1400 rpm
Housing Material	Cast Iron
Length Through Bore	4.5625 in
Overall Width	6 3/64 in
Collar Extension	1 9/64 in
Set Screw Torque	460 in lb
Housing Height	10 1/4 in
Inch/Metric	Inch
Collar O.D.	4 29/32 in
Shape	Round
Bore Dia. [Min]	1 7/16 in
Bearing Type	Spherical Roller Bearing
Mounted Unit Duty	Heavy-Duty
Locking Device	Eccentric Cam Locking Collar
Lubrication	Relubricatable
Seal Type	Spring Loaded Heavy Contact Seals
Duty	Heavy-Duty
Size Code	10
Bearing Design	Non-Expansion
Bolt Hole Spacing	6 3/32 in
Bolt Circle Radius	4 5/16 in
Temperature Range [Max]	225 °F
Shaft Dia.	3.4375 in
Bolt Circle Dia.	8 5/8 in
Type	Spherical Roller Bearing
End Type	Open End
Housing Length	10 1/4 in
Flange Pilot Diameter	7 3/8 in
Grease Fitting Size	1/8 in NPT
Bore Dia. [Max]	3 15/16 in
Flange Type	4-Bolt Flange
Bolt Size	3/4 in
Lubricant Type	Exxon Ronex MP
Housing Construction	1 Piece
Misalignment Range	±1 1/2°
Weight	34.0 LB
EAN or UPC	698210910891