d - 140 mm

D - 250 mm

B - 42 mm

d₁ - 176.8 mm

d₂ - 176.8 mm

D₁ - 213.2 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 1.5 mm

a - 47.3 mm

d_a - min. - 154 mm

d_b - min. - 154 mm

D_a - max. - 236 mm

D_b - max. - 241 mm

r_a - max. - 2.5 mm

r_b - max. - 1.5 mm

d_n - 184.8 mm

Basic dynamic load rating - C - 221 kN

Basic static load rating - C₀ - 240 kN

Fatigue load limit - P_u - 7.4 kN

Limiting speed for grease lubrication - 5600 r/min

Limiting speed for oil lubrication - 8500 mm/min

Ball - D_w - 30.162 mm

Ball - z - 18

G_ref - 83.931 cm3

Calculation factor - f₀ - 15.2

Preload class A - G_A - 850 N

Preload class B - G_B - 1700 N

Preload class C - G_C - 3400 N

Preload class D - G_D - 6800 N

Calculation factor - f - 1.09

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.03

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 163 N/micron

Preload class B - 220 N/micron

Preload class C - 305 N/micron

Preload class D - 437 N/micron

Mass bearing - 8.138 kg

• Model Number: 7228 CD/P4A
• Inner Diameter：250mm Outer Diameter：140mm Width：42mm
• Type：Angular Contact Ball Bearings
• Update date：2025-04-23
• Application:inorganic chemical,hydraulic pressure gauge,pneumatic Pump,paper processing machine,medical equipment,food add,extruder,Infrared Technology,baler,outdoor equipment,scientific instruments
• Similar models:NTN 7228BDF CX 7228A NTN 7228DB CX 7228B NTN 7228BG NACHI 7228DF CX 7228A-UX CX 7228B-UX FAG B7228-C-T-P4S NKE 7228-B-MP
• BEARING POWER International Trading Co.,Ltd. specialize in 7228CD/P4A products，there is large inventory of SKF 7228 CD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 7228 CD/P4A Which SKF 7228CD/P4A 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
  23172 KCW33	360	600	192	CX	Spherical Roller Bearings
  292/1060 M	1060	1400		CX	Thrust Roller Bearings
  3209-BD-2Z-TVH	45	85	30,2	FAG	Angular Contact Ball Bearings
  3215 ZZ	75	130	41,3	CX	Angular Contact Ball Bearings
  559/552A	63,5	123,825	38,1	Fersa	Tapered Roller Bearings
  61807	35	47	7	CRAFT	Deep Groove Ball Bearings
  80030/80068G	30	68	52	Gamet	Tapered Roller Bearings
  JP8049/JP8010B	80	125	22,5	Timken	Tapered Roller Bearings
  GEFZ12T	12,7	25,4		AST	Plain Bearings
  MH-20121	31,75	41,275	19,05	NSK	Needle Roller Bearings
  NU416	80	200	48	KOYO	Cylindrical Roller Bearings
  RNA4918	105	125	35	KOYO	Needle Roller Bearings
  UC206	30,000	62,000	38,1	NTN-SNR	Deep Groove Ball Bearings
  UCPX16	80		85.7	NACHI	Bearing Units
  TP-188				American	THRUST ROLLER BEARINGS
  16005	25	47	8	SKF	DEEP GROOVE BALL BEARINGS
  RLS17	2.5000	5.0000	.9375	FBC	CYLINDRICAL ROLLER BEARINGS
  S-530M	1.8750			Sealmaster (Old No.)	PILLOW BLOCKS
  234422MSP/5	110	170	234422 M.SP	CONSOLIDATED	ANGULAR CONTACT THRUST BALL BEARINGS
  MR-140			3.0000	CONSOLIDATED	NEEDLE BEARINGS