Product specifications

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

Core specifications12 parameters

Core specifications
Parameter	Symbol	Value
Bore diameter	d	44.45 mm
Outside diameter	D	101.6 mm
Width	B	34.925 mm
Basic dynamic load rating	C	127 kN
Basic static load rating	C0	152 kN
Fatigue load limit	Pu	18.8 kN
Limiting speed	nG	7000 r/min
Mass	≈m	1.36 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 characteristics5 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
Quality level		Standard
Number of rows	1	Single-row design

Main Dimensions & Performance Data10 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	44.45 mm1.75 in
Outside diameter	D	101.6 mm4 in
Width, inner ring	B	36.068 mm1.42 in
Width, outer ring	C	26.988 mm1.063 in
Width, total	T	34.925 mm1.375 in
Basic dynamic load rating, radial	Cr	127,000 N28,552.158 lbf
Basic static load rating, radial	C0r	152,000 N34,172.662 lbf
Fatigue load limit, radial	Cur	18,800 N4,226.619 lbf
Limiting speed	nG	7,000 1/min
Mass	≈m	1.36 kg2.998 lbs

Mounting dimensions8 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	53 mm2.087 in
Minimum diameter of shaft shoulder	db min	59 mm2.323 in
Minimum diameter of housing shoulder	Da min	89 mm3.504 in
Minimum diameter of housing shoulder	Db min	95 mm3.74 in
Minimum axial space	Ca min	4 mm0.157 in
Minimum axial space	Cb min	8 mm0.315 in
Maximum fillet radius of shaft	ra max	3.6 mm0.142 in
Maximum fillet radius of housing	rb max	3.3 mm0.13 in

Dimensions4 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension of inner ring back face	r1, 2 min	3.6 mm0.142 in
Minimum chamfer dimension of outer ring back face	r3, 4 min	3.3 mm0.13 in
Distance between the apexes of the pressure cones	a	22 mm0.866 in
Guidance rib diameter of inner ring	d1	73.8 mm2.906 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	0.28
Dynamic axial load factor	Y	2.12
Static axial load factor	Y0	1.17

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 Identity6 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 Data26 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		44.45 mm
Outside Diameter (D)		101.6 mm
Width (B)		34.925 mm
Basic Dynamic Load Rating, Radial (Cr)		127,000 N
Basic Static Load Rating, Radial (C0R)		152,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		7,000 1/min
Operating Temperature Max. (Tmax)		120 °C
Maximum Fillet Radius Of Housing (Rb Max)		3.3 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)		3.3 mm
Minimum Diameter Of Housing Shoulder (Da Min)		89 mm
Minimum Diameter Of Housing Shoulder (Db Min)		95 mm
Width, Outer Ring (C)		26.988 mm
Fatigue Load Limit, Radial (Cur)		18,800 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.28
Maximum Diameter Of Shaft Shoulder (Da Max)		53 mm
Minimum Diameter Of Shaft Shoulder (Db Min)		59 mm
Dynamic Axial Load Factor (Y)		2.12
Maximum Fillet Radius (Ra Max)		3.6 mm
Minimum Axial Space (Cb Min)		8 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)		3.6 mm
Guidance Rib Diameter Of Inner Ring (D1)		73.8 mm
Minimum Axial Space (Ca Min)		4 mm
Width, Inner Ring (B)		36.068 mm
Static Axial Load Factor (Y0)		1.17
Distance Between The Apexes Of The Pressure Cones (A)		22 mm

FAG K527-522