97500D/97900TimkenTapered Roller

Name: Timken 97500D/97900 Tapered Roller Bearing
Brand: Timken
SKU: 97500D/97900

97500D/97900 is a Timken tapered roller bearing, bore 127 mm, O.D. 228.6 mm, width 151.24 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d127mm

Outside dia. D228.6mm

Width B151.24mm

Dynamic Cr655kN

Weight24.49kg

Mean dia. dm177.8mm

Original catalogue drawing - Timken TRB Catalog, page 614

97500D/97900 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	127	5
D	Outside diameter	228.6	9
B	Inner-ring / bearing width	151.244	5.9545
T	Overall assembly width	160.338	6.3125
r	Chamfer (min)	3.3	0.1299

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)	127.000
Bore d (in)	5.0000
Outside dia. D (mm)	228.600
Outside dia. D (in)	9.0000
Width B (mm)	151.244
Width B (in)	5.9545
Overall width T (mm)	160.338
Overall width T (in)	6.3125

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	147000
Basic dynamic load rating Cr (N)	655000
Dynamic rating C1 (N, ISO)	655000
Dynamic rating C1 (lbf, ISO)	147000
Radial rating C90 (N)	97500
Radial rating C90 (lbf)	21900
Thrust rating Ca90 (N)	123000
Thrust rating Ca90 (lbf)	27600
Factor e	0.7
Factor Y1	0.9
Factor Y2	1.4
Factor K	0.79
Geometry factor G1	237.1
Geometry factor G2	44.6
Geometry factor Cg	0.1311

Weight

Weight (kg)	24.49

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)	1.5
Housing fillet r max (mm)	3.3
Shaft shoulder da (mm)	144.0
Housing shoulder Db (mm)	197.0

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	163,750	102	3,386
6	109,167	392	13,083
8	81,875	1,024	34,133
10	65,500	2,154	71,814
15	43,667	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 655,000 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.614 (dimensions)
Series type	TDI

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
48290/48220	Timken	Tapered Roller	127	182.56	38.1	268 kN	3.26
48290/48220D	Timken	Tapered Roller	127	182.56	85.72	466 kN	7.09
67388/67320	Timken	Tapered Roller	127	203.2	46.04	368 kN	5.65
67388/67322	Timken	Tapered Roller	127	196.85	46.04	368 kN	5.05
67388/67322D	Timken	Tapered Roller	127	196.85	101.6	640 kN	10.71
67388/67325D	Timken	Tapered Roller	127	200.03	101.6	640 kN	11.36
67388D/67322	Timken	Tapered Roller	127	196.85	92.08	640 kN	10.66
74500/74845	Timken	Tapered Roller	127	214.97	95.25	665 kN	14.33

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