X32028XM/Y32028XMTimkenTapered Roller

Name: Timken X32028XM/Y32028XM Tapered Roller Bearing
Brand: Timken
SKU: X32028XM/Y32028XM

X32028XM/Y32028XM is a Timken tapered roller bearing, bore 140 mm, O.D. 210 mm, height 98 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d140mm

Outside dia. D210mm

Overall width T98mm

Dynamic Cr685kN

Weight11.04kg

Mean dia. dm175mm

Original catalogue drawing - Timken TRB Catalog, page 688

X32028XM/Y32028XM 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	140	5.5118
D	Outside diameter	210	8.2677
T	Overall assembly width	98	3.8583
C	Cup / outer-ring width	76	2.9921

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)	140.000
Bore d (in)	5.5118
Outside dia. D (mm)	210.000
Outside dia. D (in)	8.2677
Overall width T (mm)	98.000
Overall width T (in)	3.8583
Cup width C (mm)	76.000
Cup width C (in)	2.9921

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	154000
Basic dynamic load rating Cr (N)	685000
Dynamic rating C1 (N, ISO)	685000
Dynamic rating C1 (lbf, ISO)	154000
Radial rating C90 (N)	102000
Radial rating C90 (lbf)	22900
Thrust rating Ca90 (N)	80000
Thrust rating Ca90 (lbf)	18000
Factor e	0.46
Factor Y1	1.47
Factor Y2	2.19
Factor K	1.27

Weight

Weight (kg)	11.04

Mounting dimensions (fillets / shoulders)

Shaft shoulder db (mm)	158.0
Housing shoulder Da (mm)	203.0

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	171,250	102	3,386
6	114,167	392	13,083
8	85,625	1,024	34,133
10	68,500	2,154	71,814
15	45,667	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 685,000 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.688 (dimensions)
Series type	TS

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

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
X32028X/Y32028X	Timken	Tapered Roller	140	210	45	-	-

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30228	Timken	Tapered Roller	140	250	42	474 kN	8.92
31328X	Timken	Tapered Roller	140	300	70	785 kN	22.85
32028X	Timken	Tapered Roller	140	210	45	371 kN	5.29
32228	Timken	Tapered Roller	140	250	68	707 kN	14.33
32928	Timken	Tapered Roller	140	190	32	227 kN	2.5
74551X/74845	Timken	Tapered Roller	140	214.97	3.5	-	5.88
EE455055X/455112X	Timken	Tapered Roller	140	285	12	-	23.42
JP14049/JP14010	Timken	Tapered Roller	140	195	27	203 kN	2.29

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