51101NSKThrust

Name: NSK 51101 Thrust Bearing
Brand: NSK
SKU: 51101

51101 is a NSK thrust bearing, bore 12 mm, O.D. 26 mm, height 9 mm, dynamic rating 2,330 lbs. Dimensions, drawing, interchanges and price.

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Bore d12mm

Outside dia. D26mm

Overall width T9mm

Dynamic Cr2,330lbs

Static C0r3,460lbs

Limiting speed6,700rpm

Weight0.021kg

Cr / C0r0.67

Mean dia. dm19mm

Original catalogue drawing - NSK catalogue, page 143

51101 NSK Thrust 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	12	0.4724
D	Outside diameter	26	1.0236
T	Overall assembly width	9	0.3543

Notes

Thrust bearing ratings are axial values Ca / Coa; T is the overall height. 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)	12
Bore d (in)	0.4724
Outside dia. D (mm)	26
Outside dia. D (in)	1.0236
Overall width T (mm)	9
Overall width T (in)	0.3543

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	2330
Basic static axial rating Coa (lbs)	3460
Limiting speed - grease (rpm)	6,700
Limiting speed - oil (rpm)	10,000

Weight

Weight (kg)	0.021

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.012
Shaft shoulder da min (in)	0.788
Housing shoulder Da (in)	0.709

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,200 rpm
4	2,591	102	770
6	1,727	392	2,973
8	1,296	1,024	7,758
10	1,036	2,154	16,321
15	691	8,323	63,057

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 10,364 N. Hours = L₁₀ x 10⁶ / (60n). Life-modification factors for lubrication, contamination and temperature (a_ISO) are not included.

Source & traceability

Brand	NSK
Source catalogue	NSK inch product catalogue
Catalogue page	p.145 (dimensions) / p.146 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
51201	NSK	Thrust	12	28	11	2,970 lbs	0.031
51100	NSK	Thrust	10	24	9	2,270 lbs	0.019
51200	NSK	Thrust	10	26	11	2,860 lbs	0.028
51102	NSK	Thrust	15	28	9	2,380 lbs	0.23
51202	NSK	Thrust	15	32	12	3,770 lbs	0.043
52202	NSK	Thrust	15	32	None	16.7 kN	0.09
51103	NSK	Thrust	17	30	9	2,570 lbs	0.025
51203	NSK	Thrust	17	35	12	3,880 lbs	0.05

Request a quotation for 51101

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