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	120 mm
Outside diameter	D	170 mm
Width	B	27 mm
Basic dynamic load rating	C	153 kN
Basic static load rating	C0	238 kN
Fatigue load limit	Pu	26.5 kN
Reference speed	nref	2420 r/min
Limiting speed	nG	4000 r/min
Mass	≈m	1.72 kg
Precision class		PN — Normal (ISO 492:2023)
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	PN	Normal (ISO 492:2023)
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 Data11 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	120 mm4.724 in
Outside diameter	D	170 mm6.693 in
Width, inner ring	B	25 mm0.984 in
Width, outer ring	C	19.5 mm0.768 in
Width, total	T	27 mm1.063 in
Basic dynamic load rating, radial	Cr	153,000 N34,397.482 lbf
Basic static load rating, radial	C0r	238,000 N53,507.194 lbf
Fatigue load limit, radial	Cur	26,500 N5,957.734 lbf
Limiting speed	nG	4,000 1/min
Thermal speed rating	nϑr	2,420 1/min
Mass	≈m	1.72 kg3.792 lbs

Mounting dimensions9 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	130 mm5.118 in
Minimum diameter of shaft shoulder	db min	132 mm5.197 in
Minimum diameter of housing shoulder	Da min	157 mm6.181 in
Maximum diameter of housing shoulder	Da max	157 mm6.181 in
Minimum diameter of housing shoulder	Db min	164 mm6.457 in
Minimum axial space	Ca min	5 mm0.197 in
Minimum axial space	Cb min	7.5 mm0.295 in
Maximum fillet radius of shaft	ra max	3 mm0.118 in
Maximum fillet radius of housing	rb max	3 mm0.118 in

Dimensions4 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension of inner ring back face	r1, 2 min	3 mm0.118 in
Minimum chamfer dimension of outer ring back face	r3, 4 min	3 mm0.118 in
Distance between the apexes of the pressure cones	a	35 mm1.378 in
Guidance rib diameter of inner ring	d1	144.7 mm5.697 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	0.47
Dynamic axial load factor	Y	1.27
Static axial load factor	Y0	0.7

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 Identity8 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Tapered roller bearings T, main dimensions acc. to ISO 355, separable
Short Description		Tapered roller bearing

Additional information1 parameter

Additional information
Parameter	Symbol	Value
Comparative designation to ISO 10317 and ISO 355		T4CB120

Technical Data28 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		120 mm
Outside Diameter (D)		170 mm
Width (B)		27 mm
Basic Dynamic Load Rating, Radial (Cr)		153,000 N
Basic Static Load Rating, Radial (C0R)		238,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		4,000 1/min
Operating Temperature Max. (Tmax)		120 °C
Reference Speed (Nϑr)		2,420 1/min
Maximum Fillet Radius Of Housing (Rb Max)		3 mm
Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M)		3 mm
Minimum Diameter Of Housing Shoulder (Da Min)		157 mm
Minimum Diameter Of Housing Shoulder (Db Min)		164 mm
Width, Outer Ring (C)		19.5 mm
Fatigue Load Limit, Radial (Cur)		26,500 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.47
Maximum Diameter Of Shaft Shoulder (Da Max)		130 mm
Minimum Diameter Of Shaft Shoulder (Db Min)		132 mm
Maximum Diameter Of Housing Shoulder (Da Max)		157 mm
Dynamic Axial Load Factor (Y)		1.27
Maximum Fillet Radius (Ra Max)		3 mm
Minimum Axial Space (Cb Min)		7.5 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)		3 mm
Guidance Rib Diameter Of Inner Ring (D1)		144.7 mm
Minimum Axial Space (Ca Min)		5 mm
Width, Inner Ring (B)		25 mm
Static Axial Load Factor (Y0)		0.7
Distance Between The Apexes Of The Pressure Cones (A)		35 mm

FAG T4CB120