S1BCH280MMHD

S1 Series Standard-Duty Pillow Block

Item #101006554

Clamping Ring Collar

Triple Labyrinth Seals

Non-Expansion Type

S1 Series

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Product Details

Craft bearings are split cylindrical roller bearings, which combine all the advantages of conventional antifriction roller bearings with the added feature of being easily assembled around a shaft.

Engineered in halves to ease installation, inspection, and/or replacement of pillow block bearings without removing or disrupting other elements of the system
Cartridge and housing assemblies made of quality ductile iron
ID of housing is spherically machined to accept cartridge assembly
Base-to-center height meets and is sometimes less than industry standard
All hardware used in assembly of the Craft pillow block is of American standard type
Bearings, cartridges, and housings of same series and grouping are interchangeable
O.D. of cartridge is spherically machined to accommodate initial shaft misalignment, allowing bearing and cartridge assembly to align externally
Seal remains on parallel axis with shaft, maintaining a 100% seal along shaft

In cases where shim stock is used to increase the base-to-center height needed for a given application, it is imperative that the housing base be completely supported

Specifications

Bolt Holes	4
Base Width	9 in
Lubrication	Relubricatable
Base Height	1 7/8 in
Pillow Block Type	Thru-Bolt
Mounted Unit Duty	Normal-Duty
Housing Material	Ductile Iron
Seal Type	Triple Labyrinth Seals
Housing Construction	2 Piece
Pedestal	PH 16
Bolt Hole Spacing	21 in
Bolt Hole Spacing Range [Min]	20 1/4 in
Base Length	28 1/2 in
Bearing Design	Non-Expansion
Locking Device	Clamping Ring Collar
Housing Height	24 1/2 in
Bolt Hole Spacing - Width	5.5 in
Inch/Metric	Metric Bore
Shaft Dia.	280 mm
End Type	Open End
Radial Internal Clearance Specification	Normal Clearance
Bearing Type	Split Cylindrical Bearing
Bolt Hole Spacing Range [Max]	21 3/4 in
Bolt Size	1 1/4 (4)
Weight	605.0 LB