6310NSKBall

Name: NSK 6310 Ball Bearing
Brand: NSK
SKU: 6310

6310 is a NSK ball bearing, bore 50 mm, O.D. 110 mm, width 27 mm, dynamic rating 13,900 lbs. Dimensions, drawing, interchanges and price.

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Bore d50mm

Outside dia. D110mm

Width B27mm

Dynamic Cr13,900lbs

Static C0r8,610lbs

Limiting speed6,000rpm

Weight1.098kg

Cr / C0r1.61

Mean dia. dm80mm

Original catalogue drawing - NSK catalogue, page 19

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	110	4.3307
B	Inner-ring / bearing width	27	1.063
r	Chamfer (min)	2.007	0.079

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
Bore d (in)	1.9685
Outside dia. D (mm)	110
Outside dia. D (in)	4.3307
Width B (mm)	27
Width B (in)	1.0630

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	13900
Basic static load rating Cor (lbs)	8610
Limiting speed - grease (rpm)	6,000
Limiting speed - oil (rpm)	7,500
Factor f0	13.2

Weight

Weight (kg)	1.098

Mounting dimensions (fillets / shoulders)

Chamfer r (in)	0.079
Shaft shoulder da min (in)	2.362
Shaft shoulder da max (in)	2.679
Housing shoulder Da max (in)	3.937

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,000 rpm
4	15,458	64	533
6	10,305	216	1,800
8	7,729	512	4,267
10	6,183	1,000	8,333
15	4,122	3,375	28,125

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 61,830 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.21 (dimensions) / p.22 (ratings)

Dimensions in inches and millimetres, load ratings in lbs.

Interchange - same dimensions, other brands

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1310-K-TVH-C3	FAG	Ball	50	110	27	42 kN	1.52
1310-TVH	FAG	Ball	50	110	27	42 kN	1.54
6310	FAG	Ball	50	110	27	62 kN	1.1
6310-2RSR	FAG	Ball	50	110	27	62 kN	1.12
6310-2Z	FAG	Ball	50	110	27	62 kN	1.12
6310-C	FAG	Ball	50	110	27	68 kN	1.1
6310-C-2BRS	FAG	Ball	50	110	27	68 kN	1.1
6310-C-2HRS	FAG	Ball	50	110	27	68 kN	1.12
6310-C-2Z	FAG	Ball	50	110	27	68 kN	1.12
QJ310-MPA	FAG	Ball	50	110	27	110 kN	1.39

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1310	NSK	Ball	50	110	27	9,330 lbs	1.288
7310B	NSK	Ball	50	110	27	14,400 lbs	1.148
BL310	NSK	Ball	50	110	27	17,200 lbs	1.139
310	NSK	Cylindrical Roller	50	110	27	19,500 lbs	1.134
NU310E	NSK	Cylindrical Roller	50	110	27	135 kN	1.3
HR30310C	NSK	Tapered Roller	50	110	27	26,800 lbs	1.252
HR30310J	NSK	Tapered Roller	50	110	27	29,200 lbs	1.279
HR31310J	NSK	Tapered Roller	50	110	27	25,600 lbs	1.256

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1210	NSK	Ball	50	90	20	5,130 lbs	0.531
1310	NSK	Ball	50	110	27	9,330 lbs	1.288
16010	NSK	Ball	50	80	10	17 kN	0.175
2210	NSK	Ball	50	90	23	6,290 lbs	0.572
2310	NSK	Ball	50	110	40	14,400 lbs	1.778
3210J	NSK	Ball	50	90	30.2	11,100 lbs	0.762
3310J	NSK	Ball	50	110	44.4	19,100 lbs	1.946
5210J	NSK	Ball	50	90	30.2	11,900 lbs	0.671

Request a quotation for 6310

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