• 2 1/8" Unmounted Ball Bearing, Standard Duty, Centrik-Lok Locking Device, Single Lip Contact Seal

Dimensions

Inner Ring OD (in)	2.749 in
Outer Race OD (in)	3.937 in
Outer Race OD (mm)	100 mm
Overall Width (in)	2.19 in
Outer Race Width (mm)	30.2 mm
Outer Race Width (in)	1.186 in
Length Through Bore (in)	2.187 in
Bore Size (in)	2.125 in
Collar OD (in)	3.25 in

Technical Specifications

Vibration Frequency Outer Ring Defect	0.0680 cps
Series	Unmounted Replacement Bearings
Insert Material	52100 Bearing Steel
Vibration Frequency Inner Ring Defect	0.0987 cps
Locking Device Kit	CL2355BS
Housing Type	Insert (ER Style)
Vibration Frequency Fundamental Train	0.0068 cps
Maximum Speed (rpm)	4360 rpm
Primary Seal	BUNA SINGLE LIP CONTACT SEAL
Size Code	211
Cage Material	Molded fiber glass reinforced nylon
Misalignment Type	Static Only
Bearing Insert Coating	Black Oxide
Snap Ring Width (in)	0.09 in
Short Hub Length (in)	0.88 in
Rolling Element	Ball Bearing
Internal Clearance	C3 STANDARD
Precision Rating	ABEC 1
Inner Race Profile	Wide Inner Ring
Available Seal Type	N Lip Seal;E1 Viton Seal;FF Free Running;HFF Free Running;MHFF Free Running;NFF Lip Seal w/ Flinger
Distance from Outer Ring Face to Snap Ring Face (in)	0.13 in
Setscrew Torque (in-lbs)	313-348 in/lbs
Duty/Status	Standard
Maximum Operating Temperature (F)	225 °F
Inner Ring Fillet Radius (in)	0.08 in
Locking Type	Concentric
Lubrication Type	EXXON RONEX MP STD
Outer Race Profile	Cylindrical
Misalignment	None
Seal Type	Single Lip Contact Seal
Vibration Frequency Roller Spin	0.0437 cps
Expansion	No
Bore Shape	Straight
Ability to Relubricate	Yes
Outer Ring Land Profile	Standard
Snap Ring Outside Diameter (in)	4.17 in
End Cap	No
Locking Collar Width (in)	0.56 in
Distance from Inner Ring Long Hub Face to Centerline of Setscrew (in)	0.38 in
Product	ER-K
Cage Type	Ball Riding Retainer
Maximum Operating Temperature (C)	107 °C
Static Load Rating (lb)	6,570 lb
Dynamic Load Rating (lb)	9,800 lb

General Specifications

UPC	662864004947
Weight	3.33 LB
Packaged Length	4.25 IN
Packaged Width	2.06 IN
Packaged Height	4.38 IN
HTC	8482105052
Country of Origin	Mexico