ER-31

ER style cylindrical OD bearing with snap and with black oxided bearing rings
Zone hardened inner ring with 120° spacing setscrew lock with diamond faceted setscrews
Felt labyrinth seal and flinger for dry and dusty environment
Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.

Measure Units:	Inch	Housing Type:	Insert (ER Style)
Maximum Operating Temperature:	220 °F	Seal Type:	Felt Labyrinth Seal
Inner-Race Heat-Treat Method:	Zone-Hardened	Retainer Type:	Land Riding Retainer
Duty Series:	Standard	Insert Material:	52100 Bearing Steel; Black Oxided
Bore Shape:	Straight	Rolling Element:	Ball Bearing
Set Screw Thread:	1/4-28 UNF X .19	Radius:	0.062
Internal Clearance:	Standard	Radial Dynamic Load Capacity (lb):	7, 889
Lubrication:	Lithium Complex NLGI 2 Grease	Relubricatable:	Yes
Misalignment:	None	Expansion:	No
Locking Type:	Setscrew	Speed (Max):	3550
Outer Ring Land Profile:	Tapered Lands	Platform:	Gold Line Ball Bearing
End Cap:	No	Bearing Insert Coating:	Black Oxide Coated
Misalignment Type:	Static Only	Radial Static Load Capacity (lb):	5, 216
Cage Material:	PPS	Precision Rating:	ABEC 1
Series:	ER	Grease Fitting Thread Size:	1/4-28 UNF X .19
Inner Race Profile:	Wide Inner Ring	Outer Race Profile:	Cylindrical
UPC:	662461008751	Weight:	2.24 LB
Packaged Length:	4.25 Inches	Packaged Width:	2.25 Inches
Packaged Height:	4.25 Inches	HTC:	8482.10.5052
Country of Origin:	Mexico

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