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	200 mm
Outside diameter	D	270 mm
Width	B	37 mm
Basic dynamic load rating	C	310 kN
Basic static load rating	C0	550 kN
Fatigue load limit	Pu	64 kN
Reference speed	nref	1530 r/min
Limiting speed	nG	2460 r/min
Mass	≈m	5.5 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	200 °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	200 mm7.874 in
Outside diameter	D	270 mm10.63 in
Width, inner ring	B	34 mm1.339 in
Width, outer ring	C	27 mm1.063 in
Width, total	T	37 mm1.457 in
Basic dynamic load rating, radial	Cr	310,000 N69,694.245 lbf
Basic static load rating, radial	C0r	550,000 N123,651.079 lbf
Fatigue load limit, radial	Cur	64,000 N14,388.489 lbf
Limiting speed	nG	2,460 1/min
Thermal speed rating	nϑr	1,530 1/min
Mass	≈m	5.5 kg12.125 lbs

Mounting dimensions9 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	214 mm8.425 in
Minimum diameter of shaft shoulder	db min	218 mm8.583 in
Minimum diameter of housing shoulder	Da min	251 mm9.882 in
Maximum diameter of housing shoulder	Da max	254 mm10 in
Minimum diameter of housing shoulder	Db min	262 mm10.315 in
Minimum axial space	Ca min	7 mm0.276 in
Minimum axial space	Cb min	10 mm0.394 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	54 mm2.126 in
Guidance rib diameter of inner ring	d1	234 mm9.213 in

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	200 °C392 °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 Identity9 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		T4DB200

Technical Data28 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		200 mm
Outside Diameter (D)		270 mm
Width (B)		37 mm
Basic Dynamic Load Rating, Radial (Cr)		310,000 N
Basic Static Load Rating, Radial (C0R)		550,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		2,460 1/min
Operating Temperature Max. (Tmax)		200 °C
Reference Speed (Nϑr)		1,530 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)		251 mm
Minimum Diameter Of Housing Shoulder (Db Min)		262 mm
Width, Outer Ring (C)		27 mm
Fatigue Load Limit, Radial (Cur)		64,000 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)		214 mm
Minimum Diameter Of Shaft Shoulder (Db Min)		218 mm
Maximum Diameter Of Housing Shoulder (Da Max)		254 mm
Dynamic Axial Load Factor (Y)		1.27
Maximum Fillet Radius (Ra Max)		3 mm
Minimum Axial Space (Cb Min)		10 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)		3 mm
Guidance Rib Diameter Of Inner Ring (D1)		234 mm
Minimum Axial Space (Ca Min)		7 mm
Width, Inner Ring (B)		34 mm
Static Axial Load Factor (Y0)		0.7
Distance Between The Apexes Of The Pressure Cones (A)		54 mm

FAG T4DB200