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：2025-12-15
• Application:medical treatment,beverage production,insect experimental analysis instrument,gear grinding machine,diving equipment,Hydraulic Couplings,Industrial,Ball screw,garden machinery,food add,Rolling mill
• Similar models:ISO 7228ADT SKF S7228ACD/P4A NACHI 7228C KOYO 7228B FAG HCB7228-E-T-P4S SKF 7228BCBM NACHI 7228DF CX 7228CTBP4 NSK 7228CTRSU NTN 7228BDB
• 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
  32216	80	140	35,25	FBJ	Tapered Roller Bearings
  25577/25521	42.875	83.058	23.812	NACHI	Tapered Roller Bearings
  33108	40	75	26	CYSD	Tapered Roller Bearings
  51210	50	78	22	ZEN	Thrust Ball Bearings
  5S-7920UCG/GNP42	100	140	20	NTN	Angular Contact Ball Bearings
  7332BGM	160,000	340,000	68,000	SNR	Angular Contact Ball Bearings
  HN4020	40	47	20	INA	Needle Roller Bearings
  K110X117X24	110,000	117,000		NTN	Needle Roller Bearings
  NA 6901	12	24	22	IKO	Needle Roller Bearings
  NU28/1000	1000	1220	128	ISO	Cylindrical Roller Bearings
  RNA 4910	58	72	22	MPZ	Needle Roller Bearings
  SM1205K	58,7375	110	61,91	Timken	Deep Groove Ball Bearings
  BR-03	.3125	.8750	.2812	FED	DEEP GROOVE BALL BEARINGS
  DNJB5910	50	72	30	FAG	NEEDLE BEARINGS
  L1312U	60	130	31	Rollway	CYLINDRICAL ROLLER BEARINGS
  SUCTFL205-14	.8750			IPTCI	THERMOPLASTIC PILLOW BLOCKS
  1203E	17	40	12	SKF	SELF
  NF-200	10	30	9	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  H-2338x615/16	190	240		CONSOLIDATED	ADAPTERS
  71901TGP/4-2RS	12	24	6	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS