51107NSKThrust

Name: NSK 51107 Thrust Bearing
Brand: NSK
SKU: 51107

51107 is a NSK thrust bearing, bore 35 mm, O.D. 52 mm, height 12 mm, dynamic rating 4,960 lbs. Dimensions, drawing, interchanges and price.

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Bore d35mm

Outside dia. D52mm

Overall width T12mm

Dynamic Cr4,960lbs

Static C0r11,100lbs

Limiting speed4,000rpm

Weight0.081kg

Cr / C0r0.45

Mean dia. dm43.5mm

Original catalogue drawing - NSK catalogue, page 143

51107 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	35	1.378
D	Outside diameter	52	2.0472
T	Overall assembly width	12	0.4724

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)	35
Bore d (in)	1.3780
Outside dia. D (mm)	52
Outside dia. D (in)	2.0472
Overall width T (mm)	12
Overall width T (in)	0.4724

Load ratings & speeds

Basic dynamic axial rating Ca (lbs)	4960
Basic static axial rating Coa (lbs)	11100
Limiting speed - grease (rpm)	4,000
Limiting speed - oil (rpm)	6,000

Weight

Weight (kg)	0.081

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.024
Shaft shoulder da min (in)	1.773
Housing shoulder Da (in)	1.655

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,300 rpm
4	5,516	102	1,302
6	3,677	392	5,032
8	2,758	1,024	13,128
10	2,206	2,154	27,621
15	1,471	8,323	106,711

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 22,063 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
51207	NSK	Thrust	35	62	18	8,920 lbs	0.21
51307	NSK	Thrust	35	68	24	12,500 lbs	0.386
51407	NSK	Thrust	35	80	32	19,700 lbs	0.769
52207	NSK	Thrust	35	62	None	39.5 kN	0.447
52307	NSK	Thrust	35	68	None	56 kN	0.744
51106	NSK	Thrust	30	47	11	4,630 lbs	0.064
51206	NSK	Thrust	30	52	16	6,610 lbs	0.137
51306	NSK	Thrust	30	60	21	9,700 lbs	0.267

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