33109TimkenTapered Roller

Name: Timken 33109 Tapered Roller Bearing
Brand: Timken
SKU: 33109

33109 is a Timken tapered roller bearing, bore 45 mm, O.D. 80 mm, width 26 mm, dynamic rating 95.1 kN. Dimensions, drawing, interchanges and price.

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Bore d45mm

Outside dia. D80mm

Width B26mm

Dynamic Cr95.1kN

Static C0r119kN

Weight0.54kg

Cr / C0r0.8

Mean dia. dm62.5mm

Original catalogue drawing - Timken TRB Catalog, page 400

33109 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	45	1.7717
D	Outside diameter	80	3.1496
B	Inner-ring / bearing width	26	1.0236
T	Overall assembly width	26	1.0236
C	Cup / outer-ring width	20.5	0.8071
r	Chamfer (min)	1.5	0.0591

Notes

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)	45.000
Bore d (in)	1.7717
Outside dia. D (mm)	80.000
Outside dia. D (in)	3.1496
Width B (mm)	26.000
Overall width T (mm)	26.000
Overall width T (in)	1.0236
Cup width C (mm)	20.500

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	21400
Basic static load rating Cor (lbs)	26800
Basic dynamic load rating Cr (N)	95100
Basic static load rating C0r (N)	119000
Dynamic rating C1 (N, ISO)	95100
Dynamic rating C1 (lbf, ISO)	21400
Radial rating C90 (N)	24600
Radial rating C90 (lbf)	5540
Thrust rating Ca90 (N)	16200
Thrust rating Ca90 (lbf)	3640
Static rating C0 (N)	119000
Static rating C0 (lbf)	26800
Factor e	0.38
Factor Y	1.57
Factor K	1.52
Geometry factor G1	35.7
Geometry factor G2	16.5
Geometry factor Cg	0.0843
Effective load centre a (mm)	-6.6

Weight

Weight (kg)	0.54

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)	1.5
Housing fillet r max (mm)	1.5
Shaft shoulder da (mm)	52.0
Shaft shoulder db (mm)	55.0
Housing shoulder Da (mm)	76.0
Housing shoulder Db (mm)	71.0
Cage projection Aa (mm)	1.9
Cage projection Ab (mm)	1.7

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	23,775	102	3,386
6	15,850	392	13,083
8	11,888	1,024	34,133
10	9,510	2,154	71,814
15	6,340	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 95,100 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.400 (dimensions)
Series type	TS

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

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
33109	FAG	Tapered Roller	45	80	26	83 kN	0.597
HR33109J	NSK	Tapered Roller	45	80	26	18,900 lbs	0.553

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30209	Timken	Tapered Roller	45	85	19	80 kN	0.49
30309	Timken	Tapered Roller	45	100	25	129 kN	1.01
31309	Timken	Tapered Roller	45	100	25	106 kN	0.94
32009X	Timken	Tapered Roller	45	75	20	66.4 kN	0.34
32209	Timken	Tapered Roller	45	85	23	87.5 kN	0.58
32309	Timken	Tapered Roller	45	100	36	154 kN	1.36
33209	Timken	Tapered Roller	45	85	32	125 kN	0.79
358/352	Timken	Tapered Roller	45	90.12	21.69	97 kN	0.66

Request a quotation for 33109

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