J90354/J90748TimkenTapered Roller

Name: Timken J90354/J90748 Tapered Roller Bearing
Brand: Timken
SKU: J90354/J90748

J90354/J90748 is a Timken tapered roller bearing, bore 90 mm, O.D. 190 mm, width 92.08 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d90mm

Outside dia. D190mm

Width B92.08mm

Dynamic Cr667kN

Weight12.61kg

Mean dia. dm140mm

Original catalogue drawing - Timken TRB Catalog, page 708

J90354/J90748 Timken Tapered Roller bearing catalogue drawing

Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.

Scale cross-section

Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.

Dimension table (mm / inch)

Symbol	Dimension	mm	inch
d	Bore diameter	90	3.5433
D	Outside diameter	190	7.4803
B	Inner-ring / bearing width	92.076	3.625
T	Overall assembly width	101.6	4

Notes

Tapered roller bearings are cone / cup assemblies; cone and cup weights are listed separately and the total is their sum. Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.

Main dimensions

Bore d (mm)	90.000
Bore d (in)	3.5433
Outside dia. D (mm)	190.000
Outside dia. D (in)	7.4803
Width B (mm)	92.076
Width B (in)	3.6250
Overall width T (mm)	101.600
Overall width T (in)	4.0000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	150000
Basic dynamic load rating Cr (N)	667000
Dynamic rating C1 (N, ISO)	667000
Dynamic rating C1 (lbf, ISO)	150000
Radial rating C90 (N)	99300
Radial rating C90 (lbf)	22300
Thrust rating Ca90 (N)	147000
Thrust rating Ca90 (lbf)	33100
Factor e	0.87
Factor Y1	0.78
Factor Y2	1.16
Factor K	0.67

Weight

Weight (kg)	12.61

Mounting dimensions (fillets / shoulders)

Shaft shoulder db (mm)	111.8
Housing shoulder Da (mm)	162.0

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	166,750	102	3,386
6	111,167	392	13,083
8	83,375	1,024	34,133
10	66,700	2,154	71,814
15	44,467	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 667,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	Timken
Source catalogue	Timken Tapered Roller Bearing Catalog (2016)
Catalogue page	p.708 (dimensions)
Series type	TS

ISO dynamic rating C1, Timken C90 / Ca90, static rating C0, geometry factors and assembly weight.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30218	Timken	Tapered Roller	90	160	30	240 kN	2.63
30318	Timken	Tapered Roller	90	190	43	375 kN	5.56
31318	Timken	Tapered Roller	90	190	43	324 kN	5.93
32018X	Timken	Tapered Roller	90	140	32	183 kN	1.7
32218	Timken	Tapered Roller	90	160	40	312 kN	3.47
32318	Timken	Tapered Roller	90	190	64	575 kN	8.51
33118	Timken	Tapered Roller	90	150	45	306 kN	3.15
42354X/42584	Timken	Tapered Roller	90	148.43	28.97	-	1.9

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