B71944-E-T-P4SFAGPrecision / Angular Contact

Name: FAG B71944-E-T-P4S Precision / Angular Contact Bearing
Brand: FAG
SKU: B71944-E-T-P4S

B71944-E-T-P4S is a FAG precision / angular contact bearing, bore 220 mm, O.D. 300 mm, width 38 mm. Dimensions, drawing, interchanges and price.

High precision class

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Bore d220mm

Outside dia. D300mm

Width B38mm

Dynamic Cr204kN

Static C0r270kN

Limiting speed3,200rpm

Weight6.55kg

Cr / C0r0.76

Mean dia. dm260mm

Original catalogue drawing - FAG Schaeffler HR 1, page 292

B71944-E-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	220	8.6614
D	Outside diameter	300	11.811
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)	220
Outside dia. D (mm)	300
Width B (mm)	38

Load ratings & speeds

Basic dynamic load rating Cr (lbs)	45861
Basic static load rating Cor (lbs)	60698
Basic dynamic load rating Cr (N)	204000
Basic static load rating C0r (N)	270000
Fatigue limit load Cur (N)	12200
Limiting speed nG (rpm)	3,200
Effective load centre a (mm)	80

Weight

Weight (kg)	6.55

Mounting dimensions (fillets / shoulders)

Housing fillet r max (mm)	2.1
Chamfer r1 min (mm)	1.1
Shaft shoulder da (mm)	234
Housing shoulder Da (mm)	286
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	51,000	64	1,067
6	34,000	216	3,600
8	25,500	512	8,533
10	20,400	1,000	16,667
15	13,600	3,375	56,250

Basic rating life per ISO 281: L₁₀ = (C/P)³ with C = 204,000 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
6944	NSK	Ball	220	300	38	161 kN	7.88

Same dimensions, same brand

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
61944	FAG	Ball	220	300	38	186 kN	6.372
B71944-C-T-P4S	FAG	Precision / Angular Contact	220	300	38	216 kN	6.57

Series variants (different suffix)

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B71944-C-T-P4S	FAG	Precision / Angular Contact	220	300	38	216 kN	6.57

Nearby bore sizes

Designation	Brand	Type	d	D	B/T	Dyn. rating	kg
B7044-C-T-P4S	FAG	Precision / Angular Contact	220	340	56	325 kN	15.7
B7044-E-T-P4S	FAG	Precision / Angular Contact	220	340	56	310 kN	15.6
B7244-C-T-P4S	FAG	Precision / Angular Contact	220	400	65	400 kN	33
B7244-E-T-P4S	FAG	Precision / Angular Contact	220	400	65	380 kN	32.9

Request a quotation for B71944-E-T-P4S

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