61821-YFAGBall

Name: FAG 61821-Y Ball Bearing
Brand: FAG
SKU: 61821-Y

61821-Y is a FAG ball bearing, bore 105 mm, O.D. 130 mm, width 13 mm, dynamic rating 22.1 kN. Dimensions, drawing, interchanges and price.

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Bore d105mm

Outside dia. D130mm

Width B13mm

Dynamic Cr22.1kN

Static C0r23.6kN

Limiting speed9,200rpm

Weight0.33kg

Cr / C0r0.94

Mean dia. dm117.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 268

61821-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	105	4.1339
D	Outside diameter	130	5.1181
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)	105
Outside dia. D (mm)	130
Width B (mm)	13
Inner-ring OD d1 (mm)	113.2
Inner-ring shoulder dia. D1 (mm)	122.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	4968
Basic static load rating Cor (lbs)	5305
Basic dynamic load rating Cr (N)	22100
Basic static load rating C0r (N)	23600
Fatigue limit load Cur (N)	1280
Factor f0	15.9
Limiting speed nG (rpm)	9,200
Reference speed nB (rpm)	3,900

Weight

Weight (kg)	0.33

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1
Shaft shoulder da (mm)	109.6
Housing shoulder Da (mm)	125.4
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 3,000 rpm
4	5,525	64	356
6	3,683	216	1,200
8	2,762	512	2,844
10	2,210	1,000	5,556
15	1,473	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 22,100 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.268 (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
6821	NSK	Ball	105	130	13	4,440 lbs	0.313

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61821-2RSR-Y	FAG	Ball	105	130	13	22.1 kN	0.33
61821-2RZ-Y	FAG	Ball	105	130	13	22.1 kN	0.35
61821-2Z-Y	FAG	Ball	105	130	13	20.8 kN	0.33

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61821-2RSR-Y	FAG	Ball	105	130	13	22.1 kN	0.33
61821-2RZ-Y	FAG	Ball	105	130	13	22.1 kN	0.35
61821-2Z-Y	FAG	Ball	105	130	13	20.8 kN	0.33

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1221-M	FAG	Ball	105	190	36	75 kN	4.75
1321-M	FAG	Ball	105	225	49	158 kN	10.3
16021	FAG	Ball	105	160	18	57 kN	1.244
6021	FAG	Ball	105	160	26	75 kN	1.67
6021-2RSR	FAG	Ball	105	160	26	75 kN	1.6
6021-2Z	FAG	Ball	105	160	26	75 kN	1.7
61921	FAG	Ball	105	145	20	46.5 kN	0.87
6221	FAG	Ball	105	190	36	141 kN	3.88

Request a quotation for 61821-Y

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