d - 304.648 mm

D - 438.048 mm

B - 280.99 mm

T - 279.4 mm

r_1,2 - min. - 2 mm

α - 15 °

r_3,4 - min. - 4.8 mm

Basic dynamic load rating - C - 3080 kN

Basic static load rating - C₀ - 6950 kN

Fatigue load limit - P_u - 585 kN

Comparative radial load rating - C_F - 815 kN

Comparative axial load rating - C_Fa - 190 kN

Thrust factor - K - 1.24

Calculation factor - e - 0.48

Calculation factor - Y₁ - 1.4

Calculation factor - Y₂ - 2.1

Calculation factor - Y₀ - 1.4

Mass bearing - 135 kg

Variants - TQO/GWI

• Model Number:BT4B 328828 G/HA1
• Inner Diameter：438,048mm Outer Diameter：304,648mm Width：280,99mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:Rolling mill gear box,Generator,engine,Cylinder Type,ventilation heating equipment,root canal filling,printing equipment,switch,Infrared Technology,journal lathe,glass
• Similar models:SKF BT4B328828G/HA1
• BEARING POWER International Trading Co.,Ltd. specialize in BT4B328828G/HA1 products，there is large inventory of SKF BT4B 328828 G/HA1 . We has been built up long-term cooperation with SKF company, could make a bulk order of the BT4B 328828 G/HA1 Which SKF BT4B328828G/HA1 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  39578/39528	53,975		30,162	KOYO	Tapered Roller Bearings
  6379/6320	65,088	135,755	53,975	Timken	Tapered Roller Bearings
  FC40725S03	25	62	48	SNR	Tapered Roller Bearings
  K68X76X38.8ZW	68,000	76,000		NTN	Needle Roller Bearings
  NK42/30	42	52	30	AST	Needle Roller Bearings
  SYJ 25 KF+SYJ 505	20			SKF	Bearing Units
  TR306217C	30	62	17.7	KBC	Tapered Roller Bearings
  CFE18PP			.6250	INA	NEEDLE BEARINGS
  GE440DO	440	600	218	ELGES	SPHERICAL PLAIN BEARINGS
  NCF2938V	190	260	42	FAG	CYLINDRICAL ROLLER BEARINGS
  RFM193/4	3.3750	7.5000	1.5625	FBC	CYLINDRICAL ROLLER BEARINGS
  NCS-2820			1.2500	INA	NEEDLE BEARINGS
  NUP2215E	75	130	31	SKF	CYLINDRICAL ROLLER BEARINGS
  WS81115	75	100		SKF	THRUST ROLLER BEARINGS
  KN035504			.2500	KAYDON	NEEDLE BEARINGS
  RNA6908	62		40	Torrington	NEEDLE BEARINGS
  NNCF-4952V	260	360	100	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NKIA-5909	45	68	30	CONSOLIDATED	NEEDLE BEARINGS
  GWSQ-110-102	1.1250	3.5430	1.1875	CONSOLIDATED	AGRICULTURAL BALL BEARINGS
  HW-13/8				CONSOLIDATED	THRUST BALL BEARINGS