61818-2Z-YFAGBall

Name: FAG 61818-2Z-Y Ball Bearing
Brand: FAG
SKU: 61818-2Z-Y

61818-2Z-Y is a FAG ball bearing, bore 90 mm, O.D. 115 mm, width 13 mm, dynamic rating 19.6 kN. Dimensions, drawing, interchanges and price.

Shielded both sides

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Bore d90mm

Outside dia. D115mm

Width B13mm

Dynamic Cr19.6kN

Static C0r20.4kN

Limiting speed5,300rpm

Weight0.28kg

Cr / C0r0.96

Mean dia. dm102.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 214

61818-2Z-Y FAG Ball 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	90	3.5433
D	Outside diameter	115	4.5276
B	Inner-ring / bearing width	13	0.5118
r	Chamfer (min)	1	0.0394

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)	90
Outside dia. D (mm)	115
Width B (mm)	13
Inner-ring OD d1 (mm)	98.2
Seal outside dia. D2 (mm)	109.2

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	4406
Basic static load rating Cor (lbs)	4586
Basic dynamic load rating Cr (N)	19600
Basic static load rating C0r (N)	20400
Fatigue limit load Cur (N)	990
Limiting speed nG (rpm)	5,300
Reference speed nB (rpm)	5,600

Weight

Weight (kg)	0.28

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1
Shaft shoulder da (mm)	94.6
Housing shoulder Da (mm)	110.4
Housing fillet ra max (mm)	1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,700 rpm
4	4,900	64	627
6	3,267	216	2,118
8	2,450	512	5,020
10	1,960	1,000	9,804
15	1,307	3,375	33,088

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 19,600 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.214 (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
6818	NSK	Ball	90	115	13	4,270 lbs	0.268

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61818-2RSR-Y	FAG	Ball	90	115	13	20.7 kN	0.28
61818-2RZ-Y	FAG	Ball	90	115	13	20.7 kN	0.28
61818-Y	FAG	Ball	90	115	13	20.7 kN	0.28

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61818-2RSR-Y	FAG	Ball	90	115	13	20.7 kN	0.28
61818-2RZ-Y	FAG	Ball	90	115	13	20.7 kN	0.28
61818-Y	FAG	Ball	90	115	13	20.7 kN	0.28

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1218-K-TVH-C3	FAG	Ball	90	160	30	57 kN	2.48
1218-TVH	FAG	Ball	90	160	30	57 kN	2.52
1318-K-M-C3	FAG	Ball	90	190	43	109 kN	6.27
1318-M	FAG	Ball	90	190	43	109 kN	6.35
16018	FAG	Ball	90	140	16	44 kN	0.866
2218-K-TVH-C3	FAG	Ball	90	160	40	71 kN	3.18
2218-TVH	FAG	Ball	90	160	40	71 kN	3.18
2318-K-M-C3	FAG	Ball	90	190	64	156 kN	8.6

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