• 2 1/4" Unmounted Ball Bearing, Standard Duty, Centrik-Lok Locking Device, Single Lip Contact Seal

Dimensions

Collar OD (in)	3.5 in
Outer Race Width (mm)	31.8 mm
Overall Width (in)	2.57 in
Bore Size (in)	2.25 in
Length Through Bore (in)	2.57 in
Outer Race OD (in)	4.3307 in
Outer Race Width (in)	1.249 in
Outer Race OD (mm)	110 mm
Inner Ring OD (in)	3.012 in

Technical Specifications

Set Screw Thread	3/8-24 UNF
Expansion	No
Inner Ring Fillet Radius (in)	0.08 in
Vibration Frequency Roller Spin	0.0430 cps
Cage Material	Molded fiber glass reinforced nylon
Series	Unmounted Replacement Bearings
Distance from Outer Ring Face to Snap Ring Face (in)	0.13 in
Lubrication Type	EXXON RONEX MP STD
Size Code	212
Snap Ring Outside Diameter (in)	4.56 in
Duty/Status	Standard
Insert Material	52100 Bearing Steel
Rolling Element	Ball Bearing
Bore Shape	Straight
Short Hub Length (in)	1 in
Primary Seal	BUNA SINGLE LIP CONTACT SEAL
Snap Ring Width (in)	0.09 in
Vibration Frequency Fundamental Train	0.0068 cps
Maximum Operating Temperature (F)	225 °F
Setscrew Torque (in-lbs)	313-348 in/lbs
Vibration Frequency Inner Ring Defect	0.0988 cps
Locking Type	Concentric
Bearing Insert Coating	Black Oxide
Internal Clearance	C3 STANDARD
Distance from Inner Ring Long Hub Face to Centerline of Setscrew (in)	0.38 in
Product	ER-K
Available Seal Type	N Lip Seal;E1 Viton Seal;FF Free Running;HFF Free Running;MHFF Free Running;NFF Lip Seal w/ Flinger
Outer Ring Land Profile	Standard
Maximum Speed (rpm)	4000 rpm
Outer Race Profile	Cylindrical
Precision Rating	ABEC 1
Misalignment	None
Seal Type	Single Lip Contact Seal
End Cap	No
Ability to Relubricate	Yes
Locking Device Kit	CL2395BS
Housing Type	Insert (ER Style)
Misalignment Type	Static Only
Vibration Frequency Outer Ring Defect	0.0678 cps
Inner Race Profile	Wide Inner Ring
Locking Collar Width (in)	0.56 in
Maximum Operating Temperature (C)	107 °C
Static Load Rating (lb)	8,080 lb
Dynamic Load Rating (lb)	11,840 lb
Cage Type	Ball Riding Retainer

General Specifications

UPC	662864005005
Weight	1.91 KG
Packaged Length	4.38 IN
Packaged Width	2.38 IN
Packaged Height	7.88 IN
HTC	8482105056
Country of Origin	Mexico