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：2023-03-06
• Application:linear drive,Cylinder Standard,rolling machine,Equipment,axle lathe,multi-knife lathe,other accessories,motor,Workpiece,Other machinery,electrocardiograph
• Similar models:NSK 7228A ISO 7228C NTN 7228BG NACHI 7228CDF KOYO 7228C NTN 7228DB NACHI 7228CDB NACHI 7228CDT ISO 7228BDT 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.

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  160RUB41	160	270	109	NSK	Spherical Roller Bearings
  359S/354A	46,038	85	20,638	ISO	Tapered Roller Bearings
  399A/394A	68,262	110	22	FBJ	Tapered Roller Bearings
  46162/46368	41,275	93,662	31,75	ISO	Tapered Roller Bearings
  60/710	710	1030	140	CX	Deep Groove Ball Bearings
  6304FT150ZZ	20,000	52,000	15,000	SNR	Deep Groove Ball Bearings
  641/633	66,675	130,175	41,275	Timken	Tapered Roller Bearings
  7040 ADT	200	310	102	ISO	Angular Contact Ball Bearings
  AXK 6085	85	60	3	SKF	Thrust Roller Bearings
  BT1-0336/QVA621	40	68	8	SKF	Tapered Roller Bearings
  E 220 /S/NS 7CE3	20	47	14	SNFA	Angular Contact Ball Bearings
  LM67048/LM67010BCE	31.75	59,131	6,375	Fersa	Tapered Roller Bearings
  NBX 1523Z	15	24		IKO	Complex Bearings
  NK47/20R+IR42X47X20	42,000	57,000	20,000	NTN	Needle Roller Bearings
  NNC4920 V	100	140	40	ISO	Cylindrical Roller Bearings
  R2ZZ	.1250	.3750	.1562	ADR	DEEP GROOVE BALL BEARINGS
  MA5313EL	65	140	2.3130	Bower	CYLINDRICAL ROLLER BEARINGS
  SN512	55		70	STEYR	PILLOW BLOCKS
  AAXK1101	12	26	2	NTN	THRUST NEEDLE BEARINGS
  SS627/5-ZZ	5	11	2.5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS