21312-E1-XL-KFAGSpherical Roller

Name: FAG 21312-E1-XL-K Spherical Roller Bearing
Brand: FAG
SKU: 21312-E1-XL-K

21312-E1-XL-K is a FAG spherical roller bearing, bore 60 mm, O.D. 130 mm, width 31 mm. Dimensions, drawing, interchanges and price.

Tapered boreX-life

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Bore d60mm

Outside dia. D130mm

Width B31mm

Dynamic Cr211kN

Static C0r226kN

Limiting speed6,700rpm

Weight1.89kg

Cr / C0r0.93

Mean dia. dm95mm

Original catalogue drawing - FAG Schaeffler HR 1, page 756

21312-E1-XL-K FAG Spherical 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	60	2.3622
D	Outside diameter	130	5.1181
B	Inner-ring / bearing width	31	1.2205
r	Chamfer (min)	2.1	0.0827

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)	60
Outside dia. D (mm)	130
Width B (mm)	31
Inner-ring shoulder dia. D1 (mm)	112.5

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	47435
Basic static load rating Cor (lbs)	50807
Basic dynamic load rating Cr (N)	211000
Basic static load rating C0r (N)	226000
Fatigue limit load Cur (N)	28000
Factor e	0.23
Factor Y0	2.89
Limiting speed nG (rpm)	6,700
Reference speed nB (rpm)	4,100

Weight

Weight (kg)	1.89

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Shaft shoulder da (mm)	72
Shaft shoulder db (mm)	65
Housing shoulder Da (mm)	118
Housing fillet ra max (mm)	2.1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,200 rpm
4	52,750	102	770
6	35,167	392	2,973
8	26,375	1,024	7,758
10	21,100	2,154	16,321
15	14,067	8,323	63,057

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 211,000 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.756 (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
1312	NSK	Ball	60	130	31	12,800 lbs	2.032
6312	NSK	Ball	60	130	31	18,400 lbs	1.701
7312B	NSK	Ball	60	130	31	19,100 lbs	2
BL312	NSK	Ball	60	130	31	22,700 lbs	1.846
312	NSK	Cylindrical Roller	60	130	31	27,700 lbs	2.041
NU312	NSK	Cylindrical Roller	60	130	31	152 kN	1.82
NU312E	NSK	Cylindrical Roller	60	130	31	184 kN	2.06
21312EAE4	NSK	Spherical Roller	60	130	31	238 kN	1.98
HR30312	NSK	Tapered Roller	60	130	31	214 kN	2.03
HR30312J	NSK	Tapered Roller	60	130	31	39,100 lbs	2.032

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1312-K-TVH-C3	FAG	Ball	60	130	31	58 kN	1.94
1312-TVH	FAG	Ball	60	130	31	58 kN	1.97
6312	FAG	Ball	60	130	31	81.5 kN	1.75
6312-2RSR	FAG	Ball	60	130	31	81.5 kN	1.79
6312-2Z	FAG	Ball	60	130	31	81.5 kN	1.79
6312-C	FAG	Ball	60	130	31	89 kN	1.71
6312-C-2BRS	FAG	Ball	60	130	31	89 kN	1.75
6312-C-2HRS	FAG	Ball	60	130	31	89 kN	1.75

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
21312-E1-XL	FAG	Spherical Roller	60	130	31	211 kN	1.89

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
20212-K-TVP-C3	FAG	Spherical Roller	60	110	22	85 kN	0.822
20212-TVP	FAG	Spherical Roller	60	110	22	85 kN	0.836
20312-K-TVP-C3	FAG	Spherical Roller	60	130	31	147 kN	1.89
20312-TVP	FAG	Spherical Roller	60	130	31	147 kN	1.92
22212-E1-XL	FAG	Spherical Roller	60	110	28	160 kN	1.12
22212-E1-XL-K	FAG	Spherical Roller	60	110	28	160 kN	1.09
22312-E1-XL	FAG	Spherical Roller	60	130	46	310 kN	2.97
22312-E1-XL-K	FAG	Spherical Roller	60	130	46	310 kN	2.8

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