Product Categories / Mounted Bearings / Pillow Block Bearing / BPP7-20

BPP7-20

Name: BPP7-20 Pillow Block Bearing
Brand: LILY

$7.41 /Each

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Overview
Part Number	BPP7-20
Brand: LILY	Interchangeable With: AMI
Bearing Part Number	B7-20
Housing Part Number	PP7
Characteristics
System of Measurement	Inch
Bearing Type	Ball Bearing
Bearing Seal Type	Double Sealed
Inner Ring Type	Narrow Inner Ring
Mounted Type	Pillow Block Bearing
Shaft Mount Type	Set Screw Locking
Product Series	BPP200
Dimensions
Bore Dia	1.25"
Bore Dia Tolerance	-0.0005" to 0"
Bearing Width	1.295"
Hole Width	0.5313"
Hole Length	0.75"
Overall Height	3.125"
Pillow Height	0.1875"
Center Height	1.5625"
Whole Length	5.75"
Hole Ctr-to-Ctr Min	4"
Hole Ctr-to-Ctr Max	4.5"
Width of Inner Ring	1.3125"
Mounting Bolt Size	0.5"
Material
Bearings Material	AISI 52100 Steel
Housing Material	Pressed Steel
Performance
Stamping Load Limit	800 lbf
Temperature Range	-30° to 110 °C
Properties
RoHS	Compliant
REACH	Compliant
Lubrication	Required
Weight	1.58 lbs

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Shaft retention is achieved through set screw locking in this pillow block bearing unit, which secures the shaft reliably against moderate loads and low-to-medium vibration — provided the shaft is of standard ground finish and the screws are correctly torqued — without damaging the shaft surface.

Two 0.5 inch bolts fasten the the mounted bearing unit to the mounting surface, providing a secure and stable foundation that suits both new installations and direct replacement applications. A mid-range fastener size suited to standard industrial pillow blocks handling moderate radial loads in general machinery and conveyor applications.

Why does this bearing use Set Screw Locking to secure the shaft?

Set screw locking works by tightening one or two hardened screws directly against the shaft surface, which makes it well suited to applications where shaft positioning is fixed and loads are moderate. Its main advantage over other shaft locking methods is simplicity and low cost, which matters most when quick installation and minimal tooling are the priority.

How does the 0.5 inch affect installation and compatibility?

The bolt size directly determines whether the pillow block bearing can be mounted onto an existing frame or structure without modification. A 0.5 inch bolt corresponds to a standard mid-range hole pattern common across general industrial and conveyor applications, so when replacing an existing unit, confirming this dimension ensures a drop-in fit. Mismatched bolt sizes may require redrilling the mounting surface or sourcing an adapter plate, adding time and cost to the installation.