• 2 7/8" Unmounted Ball Bearing, Standard Duty, Centrik-Lok Locking Device, Single Lip Contact Seal

Dimensions

Bore Size (in)	2.875 in
Collar OD (in)	4.38 in
Length Through Bore (in)	3 in
Overall Width (in)	3 in
Outer Race Width (mm)	38.1 mm
Inner Ring OD (in)	3.632 in
Outer Race Width (in)	1.499 in
Outer Race OD (in)	5.1181 in
Outer Race OD (mm)	130 mm

Technical Specifications

Primary Seal	BUNA SINGLE LIP CONTACT SEAL
Outer Ring Land Profile	Standard
Locking Collar Width (in)	0.75 in
Precision Rating	ABEC 1
Setscrew Torque (in-lbs)	540-600 in/lbs
Inner Race Profile	Wide Inner Ring
Inner Ring Fillet Radius (in)	0.08 in
Insert Material	52100 Bearing Steel
Expansion	No
Vibration Frequency Inner Ring Defect	0.1073 cps
Product	ER-K
Locking Device Kit	CL2485BS
Vibration Frequency Roller Spin	0.0475 cps
Misalignment	None
Set Screw Thread	3/8-24 UNF
Ability to Relubricate	Yes
Short Hub Length (in)	1.31 in
Distance from Inner Ring Long Hub Face to Centerline of Setscrew (in)	0.38 in
Bearing Insert Coating	Black Oxide
Outer Race Profile	Cylindrical
Distance from Outer Ring Face to Snap Ring Face (in)	0.16 in
Rolling Element	Ball Bearing
Bore Shape	Straight
Maximum Operating Temperature (F)	225 °F
Internal Clearance	C3 STANDARD
Duty/Status	Standard
End Cap	No
Maximum Speed (rpm)	2900 rpm
Series	Unmounted Replacement Bearings
Snap Ring Width (in)	0.11 in
Misalignment Type	Static Only
Cage Material	Molded fiber glass reinforced nylon
Snap Ring Outside Diameter (in)	5.5 in
Available Seal Type	N Lip Seal;E1 Viton Seal;FF Free Running;HFF Free Running;MHFF Free Running;NFF Lip Seal w/ Flinger
Housing Type	Insert (ER Style)
Lubrication Type	EXXON RONEX MP STD
Seal Type	Single Lip Contact Seal
Vibration Frequency Outer Ring Defect	0.0760 cps
Size Code	215
Vibration Frequency Fundamental Train	0.0068 cps
Locking Type	Concentric
Dynamic Load Rating (lb)	15,080 lb
Static Load Rating (lb)	11,100 lb
Maximum Operating Temperature (C)	107 °C
Cage Type	Ball Riding Retainer

General Specifications

UPC	662864005135
Weight	6.92 LB
Packaged Length	7.00 IN
Packaged Width	2.75 IN
Packaged Height	7.00 IN
HTC	8482105056
Country of Origin	Mexico