B71948-C-T-P4SFAGPrecision / Angular Contact

Name: FAG B71948-C-T-P4S Precision / Angular Contact Bearing
Brand: FAG
SKU: B71948-C-T-P4S

B71948-C-T-P4S is a FAG precision / angular contact bearing, bore 240 mm, O.D. 320 mm, width 38 mm. Dimensions, drawing, interchanges and price.

High precision class

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Bore d240mm

Outside dia. D320mm

Width B38mm

Dynamic Cr224kN

Static C0r310kN

Limiting speed3,200rpm

Weight7.08kg

Cr / C0r0.72

Mean dia. dm280mm

Original catalogue drawing - FAG Schaeffler HR 1, page 292

B71948-C-T-P4S FAG Precision / Angular Contact 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	240	9.4488
D	Outside diameter	320	12.5984
B	Inner-ring / bearing width	38	1.4961
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)	240
Outside dia. D (mm)	320
Width B (mm)	38

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	50357
Basic static load rating Cor (lbs)	69691
Basic dynamic load rating Cr (N)	224000
Basic static load rating C0r (N)	310000
Fatigue limit load Cur (N)	13500
Limiting speed nG (rpm)	3,200
Effective load centre a (mm)	57

Weight

Weight (kg)	7.08

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Chamfer r1 min (mm)	1.1
Shaft shoulder da (mm)	254
Housing shoulder Da (mm)	307
Housing fillet ra max (mm)	1
Housing fillet ra1 max (mm)	1

Bearing life (ISO 281 basic rating life)

C / P	Equivalent load P (N)	L₁₀ (10⁶ rev)	L_10h at 1,000 rpm
4	56,000	64	1,067
6	37,333	216	3,600
8	28,000	512	8,533
10	22,400	1,000	16,667
15	14,933	3,375	56,250

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 224,000 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.292 (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
6948	NSK	Ball	240	320	38	170 kN	8.49

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61948	FAG	Ball	240	320	38	211 kN	6.88
B71948-E-T-P4S	FAG	Precision / Angular Contact	240	320	38	212 kN	7.06

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B71948-E-T-P4S	FAG	Precision / Angular Contact	240	320	38	212 kN	7.06

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B7048-C-T-P4S	FAG	Precision / Angular Contact	240	360	56	335 kN	16.7
B7048-E-T-P4S	FAG	Precision / Angular Contact	240	360	56	315 kN	16.7

Request a quotation for B71948-C-T-P4S

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.

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