93750/93127CDTimkenTapered Roller

Name: Timken 93750/93127CD Tapered Roller Bearing
Brand: Timken
SKU: 93750/93127CD

93750/93127CD is a Timken tapered roller bearing, bore 190.5 mm, O.D. 317.5 mm, height 146.05 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d190.5mm

Outside dia. D317.5mm

Overall width T146.05mm

Dynamic Cr1270kN

Weight43.25kg

Mean dia. dm254mm

Original catalogue drawing - Timken TRB Catalog, page 570

93750/93127CD 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	317.5	12.5
T	Overall assembly width	146.05	5.75
C	Cup / outer-ring width	111.125	4.375
r	Chamfer (min)	1.5	0.0591

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)	317.500
Outside dia. D (in)	12.5000
Overall width T (mm)	146.050
Overall width T (in)	5.7500
Cup width C (mm)	111.125
Cup width C (in)	4.3750

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	286000
Basic dynamic load rating Cr (N)	1270000
Dynamic rating C1 (N, ISO)	1270000
Dynamic rating C1 (lbf, ISO)	286000
Radial rating C90 (N)	190000
Radial rating C90 (lbf)	42600
Thrust rating Ca90 (N)	170000
Thrust rating Ca90 (lbf)	38200
Factor e	0.52
Factor Y1	1.29
Factor Y2	1.92
Factor K	1.12
Geometry factor G1	912.5
Geometry factor G2	126.1
Geometry factor Cg	0.1460

Weight

Weight (kg)	43.25

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)	4.3
Housing fillet r max (mm)	1.5
Shaft shoulder db (mm)	218.0
Housing shoulder Da (mm)	298.5
Pin dimension Ka (mm)	22.23
Pin dimension Kb (mm)	10.31

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	317,500	102	3,386
6	211,667	392	13,083
8	158,750	1,024	34,133
10	127,000	2,154	71,814
15	84,667	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 1,270,000 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.570 (dimensions)
Series type	TDO

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
93750/93125	Timken	Tapered Roller	190.5	317.5	4.3	-	19.82

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
470975/470132	Timken	Tapered Roller	190.5	336.55	209.55	1640 kN	65.05
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
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
EE350750/351687	Timken	Tapered Roller	190.5	428.62	95.25	1640 kN	62.86

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