Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications13 parameters

Core specifications
Parameter	Symbol	Value
Bore diameter	d	30 mm
Outside diameter	D	72.085 mm
Width	B	22.385 mm
Basic dynamic load rating	C	51 kN
Basic static load rating	C0	62 kN
Fatigue load limit	Pu	7.3 kN
Reference speed	nref	7600 r/min
Limiting speed	nG	11200 r/min
Mass	≈m	0.46 kg
Precision class		ABMA4 — Class 4 (ANSI/ABMA 19.2:2013)
Cage		Standard — Sheet steel cage, window cage, roller-guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	120 °C

Product characteristics6 parameters

Product characteristics
Parameter	Symbol	Value
Tolerance class	ABMA4	Class 4 (ANSI/ABMA 19.2:2013)
Heat treatment		Standard
Cage	Standard	Sheet steel cage, window cage, roller-guided
Internal design		Standard
Quality level		Standard
Number of rows	1	Single-row design

Main Dimensions & Performance Data11 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	30 mm1.181 in
Outside diameter	D	72.085 mm2.838 in
Width, inner ring	B	19.202 mm0.756 in
Width, outer ring	C	18.415 mm0.725 in
Width, total	T	22.385 mm0.881 in
Basic dynamic load rating, radial	Cr	51,000 N11,465.827 lbf
Basic static load rating, radial	C0r	62,000 N13,938.849 lbf
Fatigue load limit, radial	Cur	7,300 N1,641.187 lbf
Limiting speed	nG	11,200 1/min
Thermal speed rating	nϑr	7,600 1/min
Mass	≈m	0.46 kg1.014 lbs

Mounting dimensions9 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	36.5 mm1.437 in
Minimum diameter of shaft shoulder	db min	37 mm1.457 in
Minimum diameter of housing shoulder	Da min	60 mm2.362 in
Maximum diameter of housing shoulder	Da max	63 mm2.48 in
Minimum diameter of housing shoulder	Db min	64 mm2.52 in
Minimum axial space	Ca min	1 mm0.039 in
Minimum axial space	Cb min	4 mm0.157 in
Maximum fillet radius of shaft	ra max	0.8 mm0.031 in
Maximum fillet radius of housing	rb max	2.3 mm0.091 in

Dimensions4 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension of inner ring back face	r1, 2 min	0.8 mm0.031 in
Minimum chamfer dimension of outer ring back face	r3, 4 min	2.3 mm0.091 in
Distance between the apexes of the pressure cones	a	18 mm0.709 in
Guidance rib diameter of inner ring	d1	51.8 mm2.039 in

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	120 °C248 °F

Calculation factors3 parameters

Calculation factors
Parameter	Symbol	Value
Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y	e	0.38
Dynamic axial load factor	Y	1.57
Static axial load factor	Y0	0.86

Capabilities & suitability5 parameters

Capabilities & suitability
Parameter	Symbol	Value
Radial load capacity		Yes
Axial load capacity in one direction		Yes
Suitable for grease lubrication		Yes
Suitable for oil lubrication		Yes
Unsealed design		Yes

Manufacturer Identity7 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Tapered roller bearings K-Series, in inch sizes, separable
Short Description		Tapered roller bearing

Technical Data28 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		30 mm
Outside Diameter (D)		72.085 mm
Width (B)		22.385 mm
Basic Dynamic Load Rating, Radial (Cr)		51,000 N
Basic Static Load Rating, Radial (C0R)		62,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		11,200 1/min
Operating Temperature Max. (Tmax)		120 °C
Reference Speed (Nϑr)		7,600 1/min
Maximum Fillet Radius Of Housing (Rb Max)		2.3 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)		2.3 mm
Minimum Diameter Of Housing Shoulder (Da Min)		60 mm
Minimum Diameter Of Housing Shoulder (Db Min)		64 mm
Width, Outer Ring (C)		18.415 mm
Fatigue Load Limit, Radial (Cur)		7,300 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.38
Maximum Diameter Of Shaft Shoulder (Da Max)		36.5 mm
Minimum Diameter Of Shaft Shoulder (Db Min)		37 mm
Maximum Diameter Of Housing Shoulder (Da Max)		63 mm
Dynamic Axial Load Factor (Y)		1.57
Maximum Fillet Radius (Ra Max)		0.8 mm
Minimum Axial Space (Cb Min)		4 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)		0.8 mm
Guidance Rib Diameter Of Inner Ring (D1)		51.8 mm
Minimum Axial Space (Ca Min)		1 mm
Width, Inner Ring (B)		19.202 mm
Static Axial Load Factor (Y0)		0.86
Distance Between The Apexes Of The Pressure Cones (A)		18 mm

FAG K14118-14283