Cast Iron 3 1/2 in Shaft Dia Single Set Collar Spherical Roller Flange Block

Rexnord Corp.

ZB2308S

Cast Iron 3 1/2 in Shaft Dia Single Set Collar Spherical Roller Flange Block

Item #101158926

Cast Iron Housing Material
Single Set Collar Shaft Locking

Auto Replenish

each One-time purchase

Prop 65

Product Details

Cast Iron Housing Material
Single Set Collar Shaft Locking

features

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

Primary Seal	Steel Clearance Seal
Locking Collar O.D.	4 29/32 in
RPM [Max]	2400 rpm
Retainer Type	Engineered Polymer
Bore Range [Max]	4 in
Bolt Hole Spacing	6 23/32 in
Shape	Square
Length Through Bore	4.375 in
Housing Coating	Powder Coated
Shaft Locking	Single Set Collar
Locking Device	Single Setscrew Locking Collar
Distance Between Bolt Holes	6 23/32 in
Collar O.D.	4 29/32 in
Bolt Size	3/4 in
Grease Fitting Size	1/8 NPT
Bore Range [Min]	0.75 in
Bearing Design	Non-Expansion
Mounting Pad Height	1 in
Temperature Range [Min]	-40 °F
Size Code	10
Pilot Dia.	7 3/8 in
Vibration Frequency Outer Ring Defect	0.1383 cps
Standoff Distance	1/4 in
Style	4-Bolt Piloted Flange
Bearing Type	Spherical Roller
Set Screw Torque	680 in lb
Vibration Frequency Roller Spin	0.0628 cps
Microlock Kit	ML4
Housing Construction	One Piece
Lubrication Type	Exxon Ronex MP Std
Static Load Rating	90700 lb
Seal Kit	ZS10
Flange Thickness	1 in
Flange Style	4-Bolt Square
Flange Type	4-Bolt Piloted Flange
Radial Dynamic Load Capacity	84330 lb
Setscrew Torque	680 in-lbs
Bore Length	4 3/8 in
Mounting Bolt Size	3/4 in
Bearing Standoff Distance	1/4 in
Vibration Frequency Fundamental Train	0.0073 cps
Duty	Heavy-Duty
Lubrication	Relubricatable
Series	2000
Bolt Circle Radius	4 3/4 in
End Type	Open End
Temperature Range [Max]	225 °F
Housing Length	8 7/16 in
Mounted Clearance	C3 Standard
Housing Width	8 7/16 in
Seal Type	Clearance Seals
Pilot Diameter	7.375 in
Inner Ring Hub Diameter	3 31/32 in
Threaded Cover Kit	TC10
Housing Material	Cast Iron
Housing Diameter	7 3/8 in
Housing Height	8 7/16 in
Mounted Unit Duty	Heavy Duty
Vibration Frequency Inner Ring Defect	0.1784 cps
Bearing Housing	Flg Blk 4 Blt SQ RB with Pilot
Temperature [Max]	225 °F
Volume	1.463 GLL
Inch/Metric	Inch
Lubricant Type	Exxon Ronex MP
Bolt Circle Dia.	9 1/2 in
Misalignment Range	±1 1/2°
Shaft Dia.	3.5 in
Weight	32.6 LB
EAN or UPC	698210712853