61810-YFAGBall

Name: FAG 61810-Y Ball Bearing
Brand: FAG
SKU: 61810-Y

61810-Y is a FAG ball bearing, bore 50 mm, O.D. 65 mm, width 7 mm, dynamic rating 7.2 kN. Dimensions, drawing, interchanges and price.

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Bore d50mm

Outside dia. D65mm

Width B7mm

Dynamic Cr7.2kN

Static C0r6.3kN

Limiting speed19,700rpm

Weight0.052kg

Cr / C0r1.14

Mean dia. dm57.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 254

61810-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	50	1.9685
D	Outside diameter	65	2.5591
B	Inner-ring / bearing width	7	0.2756
r	Chamfer (min)	0.3	0.0118

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)	50
Outside dia. D (mm)	65
Width B (mm)	7
Inner-ring OD d1 (mm)	55.1
Inner-ring shoulder dia. D1 (mm)	60.1

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	1619
Basic static load rating Cor (lbs)	1416
Basic dynamic load rating Cr (N)	7200
Basic static load rating C0r (N)	6300
Fatigue limit load Cur (N)	425
Factor f0	16
Limiting speed nG (rpm)	19,700
Reference speed nB (rpm)	6,400

Weight

Weight (kg)	0.052

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	0.3
Shaft shoulder da (mm)	52
Housing shoulder Da (mm)	63
Housing fillet ra max (mm)	0.3

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 3,000 rpm
4	1,800	64	356
6	1,200	216	1,200
8	900	512	2,844
10	720	1,000	5,556
15	480	3,375	18,750

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 7,200 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.254 (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
6810	NSK	Ball	50	65	7	1,440 lbs	0.05

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61810-2RSR-Y	FAG	Ball	50	65	7	7.2 kN	0.052
61810-2RZ-Y	FAG	Ball	50	65	7	7.2 kN	0.052
61810-2Z-Y	FAG	Ball	50	65	7	6.8 kN	0.052
71810-B-TVH	FAG	Precision / Angular Contact	50	65	7	7 kN	0.058

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61810-2RSR-Y	FAG	Ball	50	65	7	7.2 kN	0.052
61810-2RZ-Y	FAG	Ball	50	65	7	7.2 kN	0.052
61810-2Z-Y	FAG	Ball	50	65	7	6.8 kN	0.052

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
11210-TVH	FAG	Ball	50	90	20	22.9 kN	0.866
1210-K-TVH-C3	FAG	Ball	50	90	20	22.9 kN	0.516
1210-TVH	FAG	Ball	50	90	20	22.9 kN	0.526
1310-K-TVH-C3	FAG	Ball	50	110	27	42 kN	1.52
1310-TVH	FAG	Ball	50	110	27	42 kN	1.54
16010	FAG	Ball	50	80	10	17.1 kN	0.175
2210-2RS-TVH	FAG	Ball	50	90	23	22.9 kN	0.606
2210-K-2RS-TVH-C3	FAG	Ball	50	90	23	22.9 kN	0.593

Request a quotation for 61810-Y

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