22168/22325DTimkenTapered Roller

Name: Timken 22168/22325D Tapered Roller Bearing
Brand: Timken
SKU: 22168/22325D

22168/22325D is a Timken tapered roller bearing, bore 42.86 mm, O.D. 82.55 mm, height 44.45 mm. Dimensions, drawing, interchanges and price.

Cone + cup assembly

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Bore d42.86mm

Outside dia. D82.55mm

Overall width T44.45mm

Dynamic Cr135kN

Weight1.01kg

Mean dia. dm62.7mm

Original catalogue drawing - Timken TRB Catalog, page 520

22168/22325D 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	42.862	1.6875
D	Outside diameter	82.55	3.25
T	Overall assembly width	44.45	1.75
C	Cup / outer-ring width	34.925	1.375
r	Chamfer (min)	0.8	0.0315

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)	42.862
Bore d (in)	1.6875
Outside dia. D (mm)	82.550
Outside dia. D (in)	3.2500
Overall width T (mm)	44.450
Overall width T (in)	1.7500
Cup width C (mm)	34.925
Cup width C (in)	1.3750

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	30300
Basic dynamic load rating Cr (N)	135000
Dynamic rating C1 (N, ISO)	135000
Dynamic rating C1 (lbf, ISO)	30300
Radial rating C90 (N)	20100
Radial rating C90 (lbf)	4510
Thrust rating Ca90 (N)	14800
Thrust rating Ca90 (lbf)	3320
Factor e	0.43
Factor Y1	1.57
Factor Y2	2.34
Factor K	1.36
Geometry factor G1	23.7
Geometry factor G2	14.4
Geometry factor Cg	0.0758

Weight

Weight (kg)	1.01

Mounting dimensions (fillets / shoulders)

Shaft fillet R max (mm)	2.3
Housing fillet r max (mm)	0.8
Shaft shoulder db (mm)	52.0
Housing shoulder Da (mm)	76.0

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 500 rpm
4	33,750	102	3,386
6	22,500	392	13,083
8	16,875	1,024	34,133
10	13,500	2,154	71,814
15	9,000	8,323	277,449

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 135,000 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.520 (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
22168/22325	Timken	Tapered Roller	42.86	82.55	19.84	77.4 kN	0.44

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
12168/12303	Timken	Tapered Roller	42.86	76.99	17.14	49.5 kN	0.33
13169D/13318	Timken	Tapered Roller	42.86	80.96	31.75	88.5 kN	0.77
22780/22720	Timken	Tapered Roller	42.86	82.55	26.99	92.9 kN	0.6
25576/25518	Timken	Tapered Roller	42.86	81.97	25.4	-	0.55
25576/25521	Timken	Tapered Roller	42.86	83.06	25.4	90.5 kN	0.57
25578/25520	Timken	Tapered Roller	42.86	82.93	25.4	90.5 kN	0.58
25578/25520D	Timken	Tapered Roller	42.86	82.93	57.15	158 kN	1.48
25578/25522	Timken	Tapered Roller	42.86	83.06	25.4	90.5 kN	0.58

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