Features and Benefits:
• Spring locking collar locks inner ring securely to shaft
• Choice of three seals, floating labyrinth Type H and Springloaded Type E and triple lip Type E7
• Heavy-contact seal available for harsh environments
• Long inner ring for high stability and load support
• Self-aligning double row spherical roller bearing adjusts +/-2° to allow for alignment variations between shaft and supporting structure
• Double contoured retainer pockets assure accurate roller guidance and positive roller control
• Sturdy, compact one-piece cast iron housing unit
• Slotted bolt holes in pillow block bases facilitate mounting; bottom of base machined
B22400 Series Collar Mounted Spherical Roller Bearing Units provide economic and versatile arrangements for supporting shafts carrying substantial radial or combination radial and thrust loads. These units are especially adaptable for conveyors, elevators, general industrial machinery, heavier duty fans and blowers, power transmission applications, ditchers, trenchers, pavers and other such applications. B22400 Series units are easy to mount, sealed, shaft ready, prelubricated and do not require bearing adjustment during mounting.
Housing Options:
• 2- and 4-bolt pillow blocks
• Flange blocks
• Flanged cartridge blocks
• Cartridge blocks
• Take-ups
• Fixed
• Float (3/8 inch)
Shaft Size: 1–4 inches
Shaft Tolerance Recommendations:
1–2 inches nominal to -0.0005 inch tolerance
2 1/16 – 4 inches nominal to -0.001 inch tolerance
Mounting Type:
Single-set collar
Technical Specifications
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(A)Base to Centerline Height:2 3/4 in
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(B)Distance Between Bolt Holes:7 1/8 in
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(C)Mounting Pad Length:9 1/8 in
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(D)Length Through Bore:3 1/2 in
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(E)Mounting Pad Width:2 11/16 in
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(F)Mounting Bolt Size:5/8 in
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(H)Mounting Pad Height:1 5/8 in
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(L)Overall Housing Height:5 1/2 in
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(M)Locking Collar Outside Diameter:3 9/16 in
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(S)Mounting Bolt Hole Slot Length:15/16 in
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(U)Distance from Bearing Centerline to Inner Ring Long Hub Face:2 3/16 in
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(W)Distance from Bearing Centerline to Cap Face:2 9/16 in
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C Basic Dynamic Load Rating:38300 lbf
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Co Basic Static Load Rating:53500 lbf
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Grease Fitting Size:1/8 in NPT
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Lubrication Type:Exxon Ronex MP
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Maximum Speed:2300 rpm
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Maximum Temperature (°F (°C)):225 (107)
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Microlock Kit:B448MLK
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Replacement Insert:B440L
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Replacement Seal Kit:B440HS
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Setscrew Torque (in-lbs):680
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Shaft Diameter:2 1/2 in
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Shaft Locking Collar Kit:B440SC
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Size Code:B440
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Threaded Cover Kit:B440TC
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Type of Seal:Clearance Seal
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Vibration Frequency Fundamental Train:0.0072
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Vibration Frequency Inner Ring Defect:0.1791
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Vibration Frequency Outer Ring Defect:0.1376
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Vibration Frequency Roller Spin:0.0607
