31319-AFAGTapered Roller

Name: FAG 31319-A Tapered Roller Bearing
Brand: FAG
SKU: 31319-A

31319-A is a FAG tapered roller bearing, bore 95 mm, O.D. 200 mm, width 45 mm, dynamic rating 310 kN. Dimensions, drawing, interchanges and price.

Request a quote WhatsApp Email us Search the catalog

Bore d95mm

Outside dia. D200mm

Width B45mm

Dynamic Cr310kN

Static C0r375kN

Limiting speed3,600rpm

Weight7.08kg

Cr / C0r0.83

Mean dia. dm147.5mm

Original catalogue drawing - FAG Schaeffler HR 1, page 484

31319-A FAG Tapered Roller 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	95	3.7402
D	Outside diameter	200	7.874
B	Inner-ring / bearing width	45	1.7717
T	Overall assembly width	49.5	1.9488
C	Cup / outer-ring width	32	1.2598

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)	95
Outside dia. D (mm)	200
Width B (mm)	45
Overall width T (mm)	49.5
Cup width C (mm)	32
Inner-ring OD d1 (mm)	142.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	69691
Basic static load rating Cor (lbs)	84303
Basic dynamic load rating Cr (N)	310000
Basic static load rating C0r (N)	375000
Basic dynamic axial rating Ca (N)	6
Fatigue limit load Cur (N)	40000
Factor e	0.83
Factor Y	0.73
Factor Y0	0.4
Limiting speed nG (rpm)	3,600
Reference speed nB (rpm)	3,200
Effective load centre a (mm)	61

Weight

Weight (kg)	7.08

Mounting dimensions (fillets / shoulders)

Chamfer r2 min (mm)	4
Shaft shoulder da (mm)	114
Shaft shoulder db (mm)	109
Housing shoulder Da (mm)	186
Housing shoulder Db (mm)	187
Housing fillet ra max (mm)	4
Fillet rb max (mm)	3

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,200 rpm
4	77,500	102	1,411
6	51,667	392	5,451
8	38,750	1,024	14,222
10	31,000	2,154	29,923
15	20,667	8,323	115,604

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 310,000 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.484 (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
1319	NSK	Ball	95	200	45	142 kN	6.79
6319	NSK	Ball	95	200	45	34,400 lbs	5.67
7319B	NSK	Ball	95	200	45	35,500 lbs	6.759
BL319	NSK	Ball	95	200	45	45,000 lbs	6.387
319	NSK	Cylindrical Roller	95	200	45	58,100 lbs	6.35
NU319	NSK	Cylindrical Roller	95	200	45	320 kN	6.23
NU319E	NSK	Cylindrical Roller	95	200	45	410 kN	7.13
21319CAME4	NSK	Spherical Roller	95	200	45	430 kN	6.92
21319CE4	NSK	Spherical Roller	95	200	45	430 kN	6.92
30319C	NSK	Tapered Roller	95	200	45	78,700 lbs	6.804

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1319-K-M-C3	FAG	Ball	95	200	45	134 kN	7.2
1319-M	FAG	Ball	95	200	45	134 kN	7.29
6319	FAG	Ball	95	200	45	154 kN	6.23
6319-2RSR	FAG	Ball	95	200	45	154 kN	6.317
6319-2Z	FAG	Ball	95	200	45	154 kN	6.2
QJ319-N2-MPA	FAG	Ball	95	200	45	285 kN	7.45
N319-E-M1	FAG	Cylindrical Roller	95	200	45	390 kN	7.05
N319-E-XL-M1	FAG	Cylindrical Roller	95	200	45	390 kN	7.12

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
31319-A-N11CA-A120-160	FAG	Tapered Roller	95	200	None	530 kN	14

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
30219-A	FAG	Tapered Roller	95	170	32	225 kN	3.13
30219-XL	FAG	Tapered Roller	95	170	32	265 kN	3.13
30319-A	FAG	Tapered Roller	95	200	45	370 kN	6.77
32019-X-XL	FAG	Tapered Roller	95	145	32	201 kN	1.86
32019-XA	FAG	Tapered Roller	95	145	32	169 kN	1.86
32219-A	FAG	Tapered Roller	95	170	43	300 kN	4.24
32219-XL	FAG	Tapered Roller	95	170	43	355 kN	4.21
32319-A	FAG	Tapered Roller	95	200	67	530 kN	10.3

Request a quotation for 31319-A

Send us the quantity you need and we will come back with price and lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.

Online enquiry form richard@bearingsfit.com WhatsApp +86 156 2149 6516