ZBR2208

ZBR Series Single Set Collar Flange Block

Item #100739204

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each One-time purchase

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

Specifications

Size Code	8
Housing Coating	Powder Coated
Bearing Type	Spherical Roller
Length Through Bore	3 1/2 in
Shaft Locking	Single Set Collar
Bolt Hole Spacing	4 19/32 in
Type	Spherical Roller Bearing
Overall Width	3 1/2 in
Flange Thickness	5/8 in
Flange Type	4-Bolt Piloted Flange
Pilot Diameter	5 1/2 in
Vibration Frequency Fundamental Train	0.0072 cps
Vibration Frequency Inner Ring Defect	0.1791 cps
Misalignment Range	±1 1/2°
Retainer Type	Engineered Polymer
Vibration Frequency Roller Spin	0.0607 cps
Style	4-Bolt Piloted Flange
Pilot Depth	1 in
Temperature Range [Min]	-40 °F
Bearing Design	Non-Expansion
Bolt Circle Radius	3 1/4 in
Shaft Dia.	2 1/2 in
Lubrication	Relubricatable
RPM [Max]	3300 rpm
Housing Length	7 5/8 in
Mounted Unit Duty	Heavy Duty
Locking Device	Setscrew Locking Collar
Radial Dynamic Load Capacity	43240 lb
Bolt Size	1/2 in
Seal Type	Clearance Seals
Set Screw Torque	680 in lb
Primary Seal	Steel Clearance Seal
Collar O.D.	3 9/16 in
Bolt Circle Dia.	6 1/2 in
Housing Material	Cast Iron
Housing Width	2 5/8 in
Static Load Rating	53500 lb
Series	2000
Bore Dia. [Min]	3/4 in
Collar Extension	7/8 in
Duty	Heavy-Duty
Vibration Frequency Outer Ring Defect	0.1376 cps
Shape	Round
Housing Height	7 5/8 in
Lubricant Type	Exxon Ronex MP
Inch/Metric	Inch
Temperature Range [Max]	225 °F
Housing Construction	One Piece
Bore Dia. [Max]	4 in
Lubrication Type	Exxon Ronex MP Std
End Type	Open End
Grease Fitting Size	1/8 NPT
Weight	14.4 LB
EAN or UPC	698210177409