20308-TVPFAGSpherical Roller

Name: FAG 20308-TVP Spherical Roller Bearing
Brand: FAG
SKU: 20308-TVP

20308-TVP is a FAG spherical roller bearing, bore 40 mm, O.D. 90 mm, width 23 mm, dynamic rating 76 kN. Dimensions, drawing, interchanges and price.

Polyamide cage

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Bore d40mm

Outside dia. D90mm

Width B23mm

Dynamic Cr76kN

Static C0r81kN

Limiting speed7,000rpm

Weight0.671kg

Cr / C0r0.94

Mean dia. dm65mm

Original catalogue drawing - FAG Schaeffler HR 1, page 654

20308-TVP 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	40	1.5748
D	Outside diameter	90	3.5433
B	Inner-ring / bearing width	23	0.9055
r	Chamfer (min)	1.5	0.0591

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)	40
Outside dia. D (mm)	90
Width B (mm)	23
Inner-ring shoulder dia. D1 (mm)	76.8

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	17085
Basic static load rating Cor (lbs)	18210
Basic dynamic load rating Cr (N)	76000
Basic static load rating C0r (N)	81000
Fatigue limit load Cur (N)	7100
Limiting speed nG (rpm)	7,000

Weight

Weight (kg)	0.671

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	1.5
Shaft shoulder da (mm)	49
Housing shoulder Da (mm)	81
Housing fillet ra max (mm)	1.5

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 2,300 rpm
4	19,000	102	736
6	12,667	392	2,844
8	9,500	1,024	7,420
10	7,600	2,154	15,612
15	5,067	8,323	60,315

Basic rating life per ISO 281: L₁₀ = (C/P)^10/3 with C = 76,000 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.654 (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
1308	NSK	Ball	40	90	23	6,520 lbs	0.744
6308	NSK	Ball	40	90	23	9,160 lbs	0.635
7308B	NSK	Ball	40	90	23	9,480 lbs	0.658
BL308	NSK	Ball	40	90	23	12,300 lbs	0.667
308	NSK	Cylindrical Roller	40	90	23	13,200 lbs	0.653
NU308E	NSK	Cylindrical Roller	40	90	23	102 kN	0.747
21308EAE4	NSK	Spherical Roller	40	90	23	118 kN	0.73
HR30308	NSK	Tapered Roller	40	90	23	111 kN	0.758
HR30308C	NSK	Tapered Roller	40	90	23	19,000 lbs	0.717
HR30308J	NSK	Tapered Roller	40	90	23	20,300 lbs	0.757

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
1308-K-TVH-C3	FAG	Ball	40	90	23	30 kN	0.698
1308-TVH	FAG	Ball	40	90	23	30 kN	0.708
6308	FAG	Ball	40	90	23	42.5 kN	0.64
6308-2RSR	FAG	Ball	40	90	23	42.5 kN	0.654
6308-2Z	FAG	Ball	40	90	23	42.5 kN	0.654
6308-C	FAG	Ball	40	90	23	47 kN	0.6
6308-C-2BRS	FAG	Ball	40	90	23	47 kN	0.654
6308-C-2HRS	FAG	Ball	40	90	23	47 kN	0.622

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
20208-K-TVP-C3	FAG	Spherical Roller	40	80	18	49.5 kN	0.38
20208-TVP	FAG	Spherical Roller	40	80	18	49.5 kN	0.386
21308-E1-XL	FAG	Spherical Roller	40	90	23	109 kN	0.749
21308-E1-XL-K	FAG	Spherical Roller	40	90	23	109 kN	0.749
22208-E1-XL	FAG	Spherical Roller	40	80	23	101 kN	0.528
22208-E1-XL-K	FAG	Spherical Roller	40	80	23	101 kN	0.528
22308-E1-XL	FAG	Spherical Roller	40	90	33	156 kN	1.05
22308-E1-XL-K	FAG	Spherical Roller	40	90	33	156 kN	1

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