d - 4 1/4 inch

d - 107,95 mm

D - 6,25 inch

D - 158,75 mm

T - 1,375 inch

T - 34,93 mm

D₁ - 108,737 mm

D₁ - 4,281 inch

m - 4,844 lbs / Weight

m - 2,197 kg / Weight

C_a - 24000 lbf / Dynamic load rating (axial)

C_a - 107000 N / Dynamic load rating (axial)

C_0a - 70000 lbf / Static load rating (axial)

C_0a - 310000 N / Static load rating (axial)

n_G - 1500 1/min / Limiting speed

• Model Number: 4448
• Inner Diameter：107,95mm Outer Diameter：158,75mm Width：34,93mm
• Type：Thrust Ball Bearings
• Update date：2025-12-16
• Application:instrumentation instrument,Broadcasting System,relay,axle lathe,hook,Hydraulic Hose,Medical room equipment,car and accessories,rehabilitation training equipment,office outdoor camping equipment,mobile toilet
• Similar models:ISB 234448 ISO 234448 KOYO 234448B INA 4448 FAG 234448-M-SP CX 234448MSP
• BEARING POWER International Trading Co.,Ltd. specialize in 4448 products，there is large inventory of INA 4448 . We has been built up long-term cooperation with INA company, could make a bulk order of the 4448 Which INA 4448 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
  1217 K	85	150	28	ISB	Self-Aligning Ball Bearings
  53320+U320	100	170	59,2	SKF	Thrust Ball Bearings
  3NCHAC914C	70	100	16	KOYO	Angular Contact Ball Bearings
  54406U	20	70	56.2	KOYO	Thrust Ball Bearings
  63803-2Z	17	26	7	ZEN	Deep Groove Ball Bearings
  662/654D+X1S-662	80,962	152,4	88,9	Timken	Tapered Roller Bearings
  7216 BECBJ	140	80	26	SKF	Angular Contact Ball Bearings
  LM603049/LM603012	45,242	77,788	21,43	Fersa	Tapered Roller Bearings
  NJ 415	75	190	45	NSK	Cylindrical Roller Bearings
  NU 1026	130	200	33	ISB	Cylindrical Roller Bearings
  SIRN60ES-D	60			LS	Plain Bearings
  SL024968	340	460	118	ISO	Cylindrical Roller Bearings
  38182RS	90	115	19	INA	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  F-15	2.4687	1.3750		Aetna	THRUST BALL BEARINGS
  RMS131/2	1.6250	4.0000	.9375	FAG	CYLINDRICAL ROLLER BEARINGS
  01/02/7309	45	100	25	RIV	TAPERED ROLLER BEARINGS
  FPAG2000	20.0000	22.0000	1.0000	SKF	ANGULAR CONTACT BALL BEARINGS
  699	9	20	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HJ-312E	60		9	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  24040-2RS	200	310	109	CONSOLIDATED	SPHERICAL ROLLER BEARINGS