SKF deep groove ball bearing sealing suffix
The RS bearing has a nitrile rubber (NRB) contact seal on one side, with or without steel plate reinforcement
2RS bearings - RS contact seals on both sides
One side of the RS1 bearing is equipped with a nitrile rubber (NBR) contact seal with a steel frame
RS1 bearing with RS1 contact seals on both sides
RS1Z bearing has a steel plate reinforced nitrile rubber (NRB) contact seal on one side and a dust cover on the other side
RS2 bearing has a steel plate reinforced fluororubber (FKM) contact seal on one side
2RS2 bearings - RS2 contact seals on both sides
One side of the RSH bearing is equipped with a nitrile rubber (NBR) contact seal with a steel frame
RSH bearing with RSH contact seals on both sides
Low friction seal made of nitrile rubber (NBR) with steel frame on one side of RSL bearing
RSL bearings with RSL low friction seals on both sides
A low friction seal made of nitrile rubber (NBR) with a steel frame on one side of the RZ bearing
2RZ bearings with RZ low friction seals on both sides
Z bearing with stamped steel dust cover on one side
2Z bearing with stamped steel dust covers on both sides
The outer ring of ZNR is equipped with a stop groove and a stop ring, and the other side of the stop groove is equipped with a stamped steel dust cover
The 2ZNR bearing is equipped with stamped steel dust covers on both sides, and the outer ring is equipped with stop grooves and stop rings
SKF deep groove ball bearing cage suffix
J stamped steel cage
M machine pin brass retainer, steel ball guide, marked with numbers after M in different designs and materials, such as M2
MA pin brass retainer, outer ring guide
MB pin brass holder with inner ring guide
MBS is the same as MB, but there is a lubrication groove on the guide surface
Y stamped brass cage
TH card type fiber reinforced phenolic resin cage, with rolling ball centering
TN injection molded card type polyamide cage with ball centering
TNH injection molded card shaped glass fiber reinforced polyether ether ketone (PEEK) cage with ball centering
TN9 injection molded card type fiberglass reinforced polyamide 66 cage, with ball centering
SKF deep groove ball bearing stop groove suffix
N outer ring with stop groove
NR outer ring with stop groove and stop ring
There is a positioning groove on one side of the N1 outer ring
The outer ring of ZNR is equipped with a stop groove and a stop ring, and the other side of the stop groove is equipped with a stamped steel dust cover
The 2ZNR bearing is equipped with stamped steel dust covers on both sides, and the outer ring is equipped with stop grooves and stop rings
SKF deep groove ball bearing insulation suffix
VL0241 has an aluminum oxide coating on the outer surface of the outer ring, with an insulation capacity of up to 1000 V DC
VL2071 has an aluminum oxide coating on the outer surface of the inner ring, with an insulation capacity of up to 1000 V DC
SKF deep groove ball bearing grease suffix
Lubricating grease for MT47 lithium based thickener, NLGI viscosity 2, temperature range -30 to+110 ° C (standard filling amount)
Lubricating grease with MT33 lithium based thickener, NLGI viscosity 3, temperature range -30 to+120 ° C (standard filling amount)
GJN polyurea thickener lubricating grease, NLGI viscosity 2, temperature range -30 to+150 ° C (standard filling amount)
GXN polyurea thickener lubricating grease, NLGI viscosity 2, temperature range -40 to+150 ° C (standard filling amount)
WT polyurea thickener lubricating grease, NLGI viscosity 2-3, temperature range -40 to+160 ° C (standard filling amount)
LT10 lithium based thickener lubricating grease, NLGI viscosity 2, temperature range -50 to+90 ° C (standard filling amount)
LT lithium based thickener lubricating grease, NLGI viscosity 2, temperature range -55 to+110 ° C (standard filling amount)
LHT23 lithium based thickener lubricating grease with NLGI viscosity 2, temperature range -50 to+140 ° C (standard filling amount)
SKF stainless steel deep groove ball bearing suffix
Contact seals made of nitrile rubber (NBR) with steel frames on both sides of the 2RS1 bearing
W stainless steel deep groove ball bearing
2Z bearing with stamped steel dust covers on both sides
R outer ring with flange
The 2ZR bearing is equipped with stamped steel dust covers on both sides, and the outer ring is flanged
SKF angular contact ball bearing angle suffix
CD 15 ° contact angle, high capacity design
ACD 25 ° contact angle, high-speed, E-design
CE 15 ° contact angle, high-speed, E-design
FE 18 ° contact angle, high-speed, E-design
ACE 25 ° contact angle, high-speed, E-design
CB adjusted axial internal clearance
FB inner ring guided machined double toothed steel cage
ACB 25 ° contact angle, high speed, B design
SKF angular contact ball bearing cage suffix
HC bearing grade silicon nitride ball Si3N4
The internal design of E has been optimized
J stamped window type steel cage with steel ball guide
M machined brass cage, steel ball guide, different designs are distinguished by a single number, such as M1
P injection molded window style fiberglass nylon 66 holder with steel ball guide
Y stamped window style brass cage, centered with rolling balls
F machined window type steel cage
MA comb shaped machining of brass cage with outer ring centering
M1 machined brass retainer with inner ring centering
TNHA glass fiber reinforced PEEK with outer ring centering
PH injection molded window style fiberglass nylon PEEK holder with steel ball guide
N1 outer ring with a positioning groove
The two positions of the N2 outer ring are positioned at a 180 ° angle to each other
W64 solid lubricant filling
Suffix for pairing method of SKF angular contact ball bearings
Paired bearing pairs with DB back-to-back configuration. Design of spacer for digital combination recognition following closely behind DB
Paired bearing pairs for DF face-to-face configuration. Design of Spacer in Digital Combination Recognition Following DF
Paired bearing pairs in DT series configuration. Design of Spacer in Digital Combination Recognition Following DT
DG bearing group with arbitrary pairing containing two bearings
A bearing group with three bearings in TBT back-to-back and series configuration<>
A bearing group with three bearings in TFT face-to-face and series configuration><<
A bearing group with three bearings in TT series configuration<<<
TG bearing group with three bearings in any pairing
A bearing group with four bearings in QBC series back-to-back configuration
A bearing group with four bearings in a QFC series face-to-face configuration>><<
A bearing group with four bearings in QBT back-to-back and series configuration<>>
A bearing group with four bearings in QFT face-to-face and series configuration><<<
A bearing group with four bearings in QT series configuration<<<<
A bearing group with four bearings in any QG pairing
A bearing group with five bearings in PBC series back-to-back configuration
A bearing group with five bearings in PFC series face-to-face configuration>><<<
A bearing set with five bearings in PBT back-to-back and series configuration<>>>
A bearing group with five bearings in PFT face-to-face and series configuration><<<<
A bearing group with five bearings in PT series configuration<<<<<
PG bearing group with five bearings in any pairing
GA single, any paired bearing, ultra light preload (719.. D, 70.. D, and 72.. D series)
GA single, any paired bearing, light preload (718.. D, 719.. E, 70.. E, 719.. B, and 70.. B series)
GB single, any paired bearing, light preload (719.. D, 70.. D, and 72.. D series)
GB single, any paired bearing, medium preload (718.. D, 719.. E, 70.. E, 719.. B, and 70.. B series)
GC single, arbitrarily paired bearings, medium preload (719.. D, 70.. D, and 72.. D series)
GC single, any paired bearing, heavy preload (718.. D, 719.. E, 70.. E, 719.. B, and 70.. B series)
GD single, any paired bearing, heavy preload (719.. D, 70.. D, and 72.. D series)
CA universal assembly bearings, when configured back-to-back or face-to-face, have less axial clearance than ordinary assemblies
CB universal group bearings have a common axial clearance when configured back-to-back or face-to-face
The axial clearance of CC universal group bearings is greater than that of ordinary group bearings in back-to-back or face-to-face configuration
SKF angular contact ball bearing accuracy suffix
P4 dimensional accuracy and operational accuracy comply with ISO tolerance level 4 standard
P4A dimensional accuracy meets ISO tolerance level 4, and operational accuracy exceeds ISO tolerance level 4
P2 level dimensional accuracy and operational accuracy comply with ISO tolerance level 2 standard
PA9A dimensional accuracy and operational accuracy comply with ISO tolerance level 2 standard
SKF Double row Angular Contact Ball Bearing Suffix
There is no ball gap in A, and the spiral groove in the bearing hole
2Z bearing with stamped steel dust covers on both sides
2RS1 bearing with thin steel plate reinforced nitrile rubber (NBR) contact seal on both sides
TN9 injection molded card type glass fiber reinforced polyamide 66 cage, guided by spherical rolling elements
J1 stamped card type steel cage, centered by rolling ball
The internal clearance in the C2 axis is smaller than that of the ordinary level
C3 axial internal clearance greater than ordinary level
M machined window type brass cage with ball centering
MA comb shaped machining of brass cage with outer ring centering
CB adjusted axial internal clearance
D-split inner ring
E largest bearing model with filling groove
T33 lithium based grease, temperature range -30 to+120 ° C
HT51 is used for high-temperature grease with operating temperatures ranging from -30 ° C to+140 ° C
Lubricating grease for MT33 lithium based thickener, NLGI viscosity 3, temperature range -30 to+120 ℃ (standard filling amount)
N outer ring with stop groove
NR outer ring with stop ring groove and stop ring
P5 dimensional accuracy and operational accuracy comply with ISO tolerance level 5 standards
P6 dimensional accuracy and operational accuracy comply with ISO tolerance level 6 standard
P62 P6+C2
P63 P6+C3