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heavy duty 22256 NTN spherical roller bearings
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heavy duty 22256 NTN spherical roller bearings

Spherical Roller Bearing, 280 mm ID, 500 mm OD, 130 mm Width, Straight Bore, Open, Steel Cage
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  • 22256

  • NTN

  • 22256CCK/W33

Product Description

heavy duty 22256 NTN spherical roller bearings


d - 280 mm

D - 500 mm

B - 130 mm

Basic dynamic load rating - C - 2795 kN

Basic static load rating - C0 - 3750 kN

Fatigue load limit - Pu - 300 kN

Reference speed - 1100 r/min

Limiting speed - 1500 r/min

Weight - 115 kg


Spherical roller bearings features:

1.Internal Structure and Retainer Material Variation 

C: Symmetrical roller, Stamped Steel retainer Spherical Roller Bearing

CA: Symmetrical roller, one-pice brass cage Spherical Roller Bearing

CTN1: Symmetrical roller,  nylon cage Spherical Roller Bearing

E: Third generation design. improved stress distribution; offer much longer service life than normal designs Spherical Roller Bearing

Q: Bronze cage Spherical Roller Bearing

MB: Symmetrical roller,Two-pice brass cage Spherical Roller Bearing

EM: Symmetrical roller, Special alloy Integral cage.Spherical Roller Bearing


2.External form change

K: Tapered bore bearing,taper is 1:12 Spherical Roller Bearing

K30: Tapered bore bearing,taper is 1:30 Spherical Roller Bearing

N: A snap ring groove on the outer ring Spherical Roller Bearing

W33: There are three lubrication groove and three lubrication holes in the outer ring 


3. Ring high-temperature tempering

S0: Work temperature up to 150 degrees Celsius.Spherical Roller Bearing

S1: Work temperature up to 200 degrees Celsius.Spherical Roller Bearing

S2: Work temperature up to 250 degrees Celsius.Spherical Roller Bearing

S3: Work temperature up to 300 degrees Celsius.Spherical Roller Bearing

S4: Work temperature up to 350 degrees Celsius.Spherical Roller Bearing


4. Clearance 

C0:Norminal clearance,omitted in destination Spherical Roller Bearing

C2:Less than Norminal clearance Spherical Roller Bearing

C3:Larger clearance than C0 Spherical Roller Bearing

C4: Larger clearance than C3 Spherical Roller Bearing

C5: Larger clearance than C3 Spherical Roller Bearing

C9:Special Clearance Spherical Roller Bearing


About BHR Bearing ( Shenzhen Qinggong Bearing Co, Ltd.)

Shenzhen Qinggong Bearing Co., Ltd. （www.bhrbearing.cn）is a well-know bearing manufacturer in China since the year 1996 with its own factory. Despite our own BHR bearings, we also distribute kinds of famous branded bearings from worldwide manufacturers SKF, FAG, NSK, KOYO, NTN, NACHI, ASAHI, TOYOTA......and OEM can also be supplied.


We Shenzhen Qinggong Bearing Co., Ltd. is focused and committed to deliver our customers high quality products and solutions because they are at the core of everything we do. By combining technology with our design engineering expertise we are able to offer a breadth of advanced bearings and solutions. 


With variety of bearings, competitive prices, fast delivery and good after-sale service, hope we will get a chance to talk bearings together.


Spherical roller bearing sizes:


SphericalTapereddDBW
22205CA22205CAK2552180.18
22206CA22206CAK3062200.28
22207CA22207CAK3572230.43
22208CA22208CAK4080230.54
22209CA22209CAK4585230.59
22210CA22210CAK5080230.63
22211CA22211CAK55100250.86
22212CA22212CAK60110281.17
22213CA22213CAK65120311.59
22214CA22214CAK70125311.68
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