K48684-48620FAGTapered Roller

Name: FAG K48684-48620 Tapered Roller Bearing
Brand: FAG
SKU: K48684-48620

K48684-48620 is a FAG tapered roller bearing, bore 142.88 mm, O.D. 200.03 mm, width 39.69 mm. Dimensions, drawing, interchanges and price.

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Bore d142.88mm

Outside dia. D200.03mm

Width B39.69mm

Dynamic Cr255kN

Static C0r510kN

Limiting speed3,300rpm

Weight3.87kg

Cr / C0r0.5

Mean dia. dm171.4mm

Original catalogue drawing - FAG Schaeffler HR 1, page 628

K48684-48620 FAG 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	142.875	5.625
D	Outside diameter	200.025	7.875
B	Inner-ring / bearing width	39.688	1.5625
T	Overall assembly width	41.275	1.625
C	Cup / outer-ring width	34.13	1.3437

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)	142.875
Outside dia. D (mm)	200.025
Width B (mm)	39.688
Overall width T (mm)	41.275
Cup width C (mm)	34.13
Inner-ring OD d1 (mm)	172.3

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	57326
Basic static load rating Cor (lbs)	114653
Basic dynamic load rating Cr (N)	255000
Basic static load rating C0r (N)	510000
Basic dynamic axial rating Ca (N)	5
Fatigue limit load Cur (N)	57000
Factor e	0.34
Factor Y	1.78
Factor Y0	0.98
Limiting speed nG (rpm)	3,300
Effective load centre a (mm)	38

Weight

Weight (kg)	3.87

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)	7.9
Shaft shoulder da (mm)	151
Shaft shoulder db (mm)	158
Housing shoulder Da (mm)	185
Housing shoulder Db (mm)	193
Housing fillet ra max (mm)	7.9
Fillet rb max (mm)	3.3

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,100 rpm
4	63,750	102	1,539
6	42,500	392	5,947
8	31,875	1,024	15,515
10	25,500	2,154	32,643
15	17,000	8,323	126,113

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 255,000 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	FAG
Source catalogue	FAG / Schaeffler Rolling Bearings HR 1
Catalogue page	p.628 (dimensions)

Load ratings in newtons, fatigue limit load Cur, limiting speed nG and reference speed nB.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
48684/48620	Timken	Tapered Roller	142.88	200.03	39.69	286 kN	3.75
48685/48620	Timken	Tapered Roller	142.88	200.03	39.69	286 kN	3.86

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
K48685-48620	FAG	Tapered Roller	142.88	200.03	39.69	255 kN	3.91

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
K48685-48620	FAG	Tapered Roller	142.88	200.03	39.69	255 kN	3.91
KLM229146-LM229110	FAG	Tapered Roller	142.88	194.97	33	223 kN	2.79
30228-A	FAG	Tapered Roller	140	250	42	420 kN	8.81
30228-XL	FAG	Tapered Roller	140	250	42	490 kN	8.8
30328	FAG	Tapered Roller	140	300	62	590 kN	20.5
30328-XL	FAG	Tapered Roller	140	300	62	690 kN	20.3
31328-X	FAG	Tapered Roller	140	300	70	690 kN	23.1
31328-X-XL	FAG	Tapered Roller	140	300	70	830 kN	23.2

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