(dimensions in inches)

Bearing Type - KPxxB

Bore Dia (d) - 1.3130

Outer Dia (D) - 2.0625

Outer Width (Bo) - 0.3750

Inner Width (Bi) - 0.4370

Dynamic Load Rating (Cr) - 4,290

Static Load Rating (Cor) - 9,840

Max. Shaft Shoulder Dia. Inner (Li) - 1.5

Ball Qty - 28

Ball Dia (Dw) - 0.1870

Max. shaft corner radius, or 45 deg. chamfer (ch1) - 0.024

Max. housing corner radius, or 45 deg. chamfer (ch) - 0.024

Material - 52100 Chrome steel or equivalent

The dynamic load rating given is for outer race rotation. The dynamic load rating for inner race rotation is 4590 pounds.

The static thrust load rating is 4400 pounds.

The bore diameter tolerance is +.0000 / -.0010".

The outside diameter tolerance is +.0000" / -.0010".

The tolerance for the inner race width and the outer race width is +.000" / -.005"

The load ratings listed for these bearings are determined by the formulas used specifically for airframe bearings. These ratings are not equivalent to ratings calculated from the ABMA formulas used for most antifriction bearing products.

This bearing is intended for commercial applications. You must notify the AST sales department contact at the time of your inquiry if the bearing will be used in an airworthy application.

The bearing has two removable seals made of woven fabric Teflon.

• Model Number: KP21B
• Inner Diameter：33,3502mm Outer Diameter：52,3875mm Width：mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:trolley,Forming mold,pneumatic,roller lathe,aerial work equipment,Processing machinery,office outdoor camping equipment,glass processing machine,electromagnetic clutch,Machine tool accessories,Surveying Surveying Instruments
• Similar models:SNR 6217F600 SKF 6216-2RS1 KOYO UC215-47L3 Timken 210WDD INA GYE45-210-KRR-B NACHI UC218 NSK 6210L11DDU AST 6215 CX 6218ZZ NTN UCS211LD1N
• BEARING POWER International Trading Co.,Ltd. specialize in KP21B products，there is large inventory of AST KP21B . We has been built up long-term cooperation with AST company, could make a bulk order of the KP21B Which AST KP21B 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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  54238	190	270	116.4	NACHI	Thrust Ball Bearings
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  6010-2Z/VA208	80	50	16	SKF	Deep Groove Ball Bearings
  6020-Z-N	100	150	24	NKE	Deep Groove Ball Bearings
  61708-2Z	40	50	6	ZEN	Deep Groove Ball Bearings
  81130-TVPB	150	190	31	NKE	Thrust Roller Bearings
  NKI 28/30	28	42	30	JNS	Needle Roller Bearings
  SE 6207 ZZSTPR	35	72	17	KOYO	Deep Groove Ball Bearings
  SF4421	220,000	309,500	38,000	NTN	Angular Contact Ball Bearings
  NJ1072	360	540	82	FAG	CYLINDRICAL ROLLER BEARINGS
  165CM789	16.5000	24.5000	3.2500	American	CYLINDRICAL ROLLER BEARINGS
  MS-5-FF	.5000	1.6250	.6250	FED	DEEP GROOVE BALL BEARINGS
  4404	.6875	1.5625		Andrews	THRUST BALL BEARINGS
  SAF322	4.8750	4.1875		Torrington	PILLOW BLOCKS
  NUP2230	150	270	73	STEYR	CYLINDRICAL ROLLER BEARINGS
  NU319E	95	200	45	STEYR	CYLINDRICAL ROLLER BEARINGS
  STO-6-ZZX	6	19	14	CONSOLIDATED	NEEDLE BEARINGS