635/632DTimkenTapered Roller

Name: Timken 635/632D Tapered Roller Bearing
Brand: Timken
SKU: 635/632D

635/632D is a Timken tapered roller bearing, bore 57.15 mm, O.D. 136.53 mm, height 95.25 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d57.15mm

Outside dia. D136.53mm

Overall width T95.25mm

Dynamic Cr406kN

Weight6.76kg

Mean dia. dm96.8mm

Original catalogue drawing - Timken TRB Catalog, page 532

635/632D 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	57.15	2.25
D	Outside diameter	136.525	5.375
T	Overall assembly width	95.25	3.75
C	Cup / outer-ring width	76.2	3
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)	57.150
Bore d (in)	2.2500
Outside dia. D (mm)	136.525
Outside dia. D (in)	5.3750
Overall width T (mm)	95.250
Overall width T (in)	3.7500
Cup width C (mm)	76.200
Cup width C (in)	3.0000

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	91200
Basic dynamic load rating Cr (N)	406000
Dynamic rating C1 (N, ISO)	406000
Dynamic rating C1 (lbf, ISO)	91200
Radial rating C90 (N)	60400
Radial rating C90 (lbf)	13600
Thrust rating Ca90 (N)	37400
Thrust rating Ca90 (lbf)	8420
Factor e	0.36
Factor Y1	1.86
Factor Y2	2.78
Factor K	1.61
Geometry factor G1	106.4
Geometry factor G2	21.0
Geometry factor Cg	0.0814

Weight

Weight (kg)	6.76

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)	3.5
Housing fillet r max (mm)	1.5
Shaft shoulder db (mm)	75.0
Housing shoulder Da (mm)	125.0

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	101,500	102	3,386
6	67,667	392	13,083
8	50,750	1,024	34,133
10	40,600	2,154	71,814
15	27,067	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 406,000 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.532 (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
635/632	Timken	Tapered Roller	57.15	136.53	41.27	233 kN	3.02

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
28682/28621	Timken	Tapered Roller	57.15	96.84	24.61	123 kN	0.71
28682/28622	Timken	Tapered Roller	57.15	97.63	24.61	123 kN	0.73
28682/28623	Timken	Tapered Roller	57.15	98.42	24.61	123 kN	0.75
29665/29620	Timken	Tapered Roller	57.15	112.71	25.4	111 kN	1.2
29665/29622D	Timken	Tapered Roller	57.15	114.29	58.74	192 kN	2.76
33225/33461	Timken	Tapered Roller	57.15	117.47	30.16	-	1.56
33225/33462D	Timken	Tapered Roller	57.15	117.47	66.67	241 kN	3.43
387-S/382	Timken	Tapered Roller	57.15	98.42	21.95	108 kN	0.64

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