470975/470132TimkenTapered Roller

Name: Timken 470975/470132 Tapered Roller Bearing
Brand: Timken
SKU: 470975/470132

470975/470132 is a Timken tapered roller bearing, bore 190.5 mm, O.D. 336.55 mm, height 209.55 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d190.5mm

Outside dia. D336.55mm

Overall width T209.55mm

Dynamic Cr1640kN

Weight65.05kg

Mean dia. dm263.5mm

Original catalogue drawing - Timken TRB Catalog, page 694

470975/470132 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	190.5	7.5
D	Outside diameter	336.55	13.25
T	Overall assembly width	209.55	8.25
C	Cup / outer-ring width	171.45	6.75

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)	190.500
Bore d (in)	7.5000
Outside dia. D (mm)	336.550
Outside dia. D (in)	13.2500
Overall width T (mm)	209.550
Overall width T (in)	8.2500
Cup width C (mm)	171.450
Cup width C (in)	6.7500

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	370000
Basic dynamic load rating Cr (N)	1640000
Dynamic rating C1 (N, ISO)	1640000
Dynamic rating C1 (lbf, ISO)	370000
Radial rating C90 (N)	245000
Radial rating C90 (lbf)	55000
Thrust rating Ca90 (N)	153000
Thrust rating Ca90 (lbf)	34400
Factor e	0.37
Factor Y1	1.85
Factor Y2	2.75
Factor K	1.60

Weight

Weight (kg)	65.05

Mounting dimensions (fillets / shoulders)

Shaft shoulder db (mm)	217.0
Housing shoulder Da (mm)	306.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	410,000	102	3,386
6	273,333	392	13,083
8	205,000	1,024	34,133
10	164,000	2,154	71,814
15	109,333	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,640,000 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.694 (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
67885/67820	Timken	Tapered Roller	190.5	266.7	46.83	416 kN	7.96
82788/82720	Timken	Tapered Roller	190.5	288.93	55.56	577 kN	12.3
82788/82722	Timken	Tapered Roller	190.5	284.16	55.56	577 kN	11.55
87750/87111	Timken	Tapered Roller	190.5	282.57	47.62	509 kN	9.49
93750/93125	Timken	Tapered Roller	190.5	317.5	4.3	-	19.82
93750/93127CD	Timken	Tapered Roller	190.5	317.5	146.05	1270 kN	43.25
93751D/93125	Timken	Tapered Roller	190.5	317.5	133.35	1270 kN	41.89
EE210753/211300	Timken	Tapered Roller	190.5	330.2	61.91	678 kN	19.85

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