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	40 mm
Outside diameter	D	68 mm
Width	B	21 mm
Basic dynamic load rating	C	53 kN
Basic static load rating	C0	71 kN
Fatigue load limit	Pu	8.3 kN
Limiting speed	nG	4950 r/min
Mass	≈m	0.301 kg
Precision class		PN — Normal (ISO 492:2023)
Cage		TVP — Cage made of glass-fiber reinforced plastic, window cage
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	110 °C

Product characteristics4 parameters

Product characteristics
Parameter	Symbol	Value
Tolerance class	PN	Normal (ISO 492:2023)
Heat treatment		Standard
Cage	TVP	Cage made of glass-fiber reinforced plastic, window cage
Number of rows	1	Single-row design

Main Dimensions & Performance Data11 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	40 mm1.575 in
Outside diameter	D	68 mm2.677 in
Width, inner ring	B	21 mm0.827 in
Width, outer ring	C	20.5 mm0.807 in
Basic dynamic load rating, radial	Cr	53,000 N11,915.468 lbf
Basic static load rating, radial	C0r	71,000 N15,962.23 lbf
Fatigue load limit, radial	Cur	8,300 N1,866.007 lbf
Limiting speed	nG	4,950 1/min
Load carrying capacity of snap ring connection	FBR	12,900 N2,900.18 lbf
Maximum axial clamping force		10,600 N2,383.094 lbf
Mass	≈m	0.301 kg0.664 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Maximum diameter of shaft shoulder	da max	46 mm1.811 in
Minimum diameter of shaft shoulder	db min	46 mm1.811 in
Maximum fillet radius of shaft	ra max	1 mm0.039 in
Groove diameter at housing	Dn	69.5 mm2.736 in
Upper limit deviation	ΔDn	0.19 mm0.007 in
Lower limit deviation	ΔDn	0 mm0 in

Dimensions8 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension of inner ring back face	r1, 2 min	1 mm0.039 in
Diameter of groove	D1	64.4 mm2.535 in
Width of groove	m/2	0.75 mm0.03 in
Distance between the apexes of the pressure cones	a	16 mm0.63 in
Guidance rib diameter of inner ring	d1	53.8 mm2.118 in
Stand out inner to outer ring	u	0.03 mm0.001 in
Upper limit deviation	Δu	0.05 mm0.002 in
Lower limit deviation	Δu	0 mm0 in

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	110 °C230 °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	0.37
Dynamic axial load factor	Y	1.6
Static axial load factor	Y0	0.88

Capabilities & suitability4 parameters

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

Manufacturer Identity9 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Tapered roller bearings JK0S, integral tapered roller bearings, lip seal on one side, diameter series 0
Short Description		Tapered roller bearing

Additional information1 parameter

Additional information
Parameter	Symbol	Value
Snap ring		BR68

Technical Data27 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		40 mm
Outside Diameter (D)		68 mm
Width, Inner Ring (B)		21 mm
Basic Dynamic Load Rating, Radial (Cr)		53,000 N
Basic Static Load Rating, Radial (C0R)		71,000 N
Operating Temperature Min. (Tmin)		-30 °C
Limiting Speed (Ng)		4,950 1/min
Operating Temperature Max. (Tmax)		110 °C
Width, Outer Ring (C)		20.5 mm
Fatigue Load Limit, Radial (Cur)		8,300 N
Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E)		0.37
Maximum Diameter Of Shaft Shoulder (Da Max)		46 mm
Minimum Diameter Of Shaft Shoulder (Db Min)		46 mm
Dynamic Axial Load Factor (Y)		1.6
Maximum Fillet Radius (Ra Max)		1 mm
Groove Diameter At Housing (Dn)		69.5 mm
Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M)		1 mm
Diameter Of Groove (D1)		64.4 mm
Guidance Rib Diameter Of Inner Ring (D1)		53.8 mm
Load Carrying Capacity Of Snap Ring Connection (Fbr)		12,900 N
Maximum Axial Clamping Force (Maximum Axia)		10,600 N
Stand Out Inner To Outer Ring (U)		0.03 mm
Upper Limit Deviation (Δdn)		0.19 mm
Upper Limit Deviation (Δu)		0.05 mm
Width Of Groove (M/2)		0.75 mm
Static Axial Load Factor (Y0)		0.88
Distance Between The Apexes Of The Pressure Cones (A)		16 mm