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linear bearing
linear guide rail
deep groove ball bearing
angular contact ball bearing
Automatic centering ball bearing
cylindrical roller bearing
tapered roller bearing
spheric roller bearing
CARB ring roller bearing
ball thrust bearing
The cylindrical roller thrust bearing
Spherical roller thrust bearing
Special application bearing
Sensor bearing unit
tapered adapter-sleeve
withdrawal sleeve
locknut
SNL bearing block
Roller bearing
Cross roller bearing
With outer spherical ball bearing
Rotary support bearing
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cylindrical roller bearing
Single column of cylindrical roller bearings
d 260-380mm
Product Parameter
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Basic size of mm
d
260
D
480
B
80
The basic rated load is kN
trends C
1170
static state Co
1700
Fatigue load limit Pu
156
Rated rotation speed is r/min
Refer to the speed
1400
limit speed
2000
quality
70
model
NJ252MA
Dimensions are mm
d
260
d
1
～
340
D1 ～
397
F,E
320
r
1,2
the min
5
r
3,4
the min
5
s
1)
3.4
Shoulder gear and chamfer size mm
d
a
the min
280
d
a
the max
313
d
b
,Da the min
344
Da the max
460
r
a
the max
4
r
b
the max
4
Calculation coefficient
kr
0.15
Corner circle
model
HJ252
quality
6.2
Size B1
18
Size B2
33
Model query
bearing designation:
Type of bearing:
All
All
linear bearing
linear guide rail
deep groove ball bearing
angular contact ball bearing
Automatic centering ball bearing
cylindrical roller bearing
tapered roller bearing
spheric roller bearing
CARB ring roller bearing
ball thrust bearing
The cylindrical roller thrust bearing
Spherical roller thrust bearing
Special application bearing
Sensor bearing unit
tapered adapter-sleeve
withdrawal sleeve
locknut
SNL bearing block
Roller bearing
Cross roller bearing
With outer spherical ball bearing
Rotary support bearing
Size query
d：
mm
D：
mm
B：
mm
range query
≤ d ≤
≤ D ≤
≤ B ≤
Search
Brand introduction
From Germany, made by heart
Contact us
15921316881
mc@macn-sh.com
About us
About MACN
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Strategy
Contact Us
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News
Bearing information
Bearing knowledge
Product
linear bearing
linear guide rail
deep groove ball bearing
angular contact ball bearing
Automatic centering ball bearing
cylindrical roller bearing
tapered roller bearing
spheric roller bearing
CARB ring roller bearing
ball thrust bearing
The cylindrical roller thrust bearing
Spherical roller thrust bearing
Special application bearing
Sensor bearing unit
tapered adapter-sleeve
withdrawal sleeve
locknut
SNL bearing block
Roller bearing
Cross roller bearing
With outer spherical ball bearing
Rotary support bearing
Solution
Wind turbine
Axle
Aircraft
Fast train
Automobile
Electric motor
gearbox
Automation Assembly Line
Metallurgical
Textile machine
Mining machinery
Agricultural machinery
Excavator
medical equipment
pulping and papermaking
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linear bearing
LM...AJ
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LMF
LMK
SBR
SMA…G
SMA…GUU
SME…GUU
SMJ…GUU
ST
ST...B
TBR...S
TBR lead rail
KS
linear guide rail
HG series heavy load ball straight guide rail
And the HGH-CA type G99TC17-1409
And the HGH-HA type G99TC17-1409
And the HGL-CA type G99TC17-1409
And the HGL-HA type G99TC17-1409
And the HGW-CA type G99TC17-1409
And the HGW-HA type G99TC17-1409
And the HGW-CB type G99TC17-1409
And HGW-HB type G99TC17-1409
And the HGW-CC type G99TC17-1409
And the HGW-HC type G99TC17-1409
EG series low assembly ball line straight guide rail
And the EGH-SA type G99TC17-1409
And the EGH-CA type G99TC17-1409
And the EGW-SA type G99TC17-1409
And the EGW-CA type G99TC17-1409
And EGW-SB type G99TC17-1409
And the EGW-CB type G99TC17-1409
WE series wide width ball straight guide rail
And the WEH-CA type G99TC17-1409
The WEW-CC type of G99TC17-1409
MG series microminiature ball-line linear guide rail
And the MGN-C type G99TC17-1409
And the MGN-H type G99TC17-1409
MGW-C type G99TC17-1409
And MGW-H type G99TC17-1409
PM series lightweight micro-small linear guide rail
And the PMN-C type G99TC17-1409
And the PMN-H type G99TC17-1409
And the PMW-C type G99TC17-1409
QH series silent heavy load ball straight guide rail
And the QHH-CA type G99TC17-1409
And the QHH-HA type G99TC17-1409
And the QHW-CA type G99TC17-1409
And the QHW-HA type G99TC17-1409
And the QHW-CB type G99TC17-1409
And QHW-HB type G99TC17-1409
And QHW-CC type G99TC17-1409
And QHW-HC type G99TC17-1409
QE series silent low-assembly ball straight guide rail
And the QEH-SA type G99TC17-1409
And the QEH-CA type G99TC17-1409
And QEW-SA type G99TC17-1409
And QEW-CA type G99TC17-1409
And QEW-SB type G99TC17-1409
And QEW-CB type G99TC17-1409
QW series silent wide width ball straight guide rail
And the QWH-CA type G99TC17-1409
The QWW-CC type G99TC17-1409
RG series roller-type linear guide rail
And the RGH-CA type G99TC17-1409
And the RGH-HA type G99TC17-1409
And RGW-CC type G99TC17-1409
And the RGW-HC type G99TC17-1409
QR series silent type roller type linear guide rail
And the QRH-CA type G99TC17-1409
The QRH-HA type G99TC17-1409
And the QRW-CC type G99TC17-1409
The QRW-HC type of G99TC17-1409
deep groove ball bearing
Single row of deep groove ball bearings
Single row of deep groove ball bearings d3-10mm
Single row of deep groove ball bearing d12-22mm
Single row of deep groove ball bearings d 25-35mm
Single row of deep groove ball bearing d 40-60mm
Single row of deep groove ball bearings d 65-85mm
Single row of deep groove ball bearing d 90-110mm
Single row of deep groove ball bearings d 120-170mm
Single row of deep groove ball bearings d 180-260mm
Single row of deep groove ball bearings d 280-420mm
Single row of deep groove ball bearings d 440-710mm
Single column deep groove ball bearings d 750-1500mm
Single-column sealed deep-groove ball bearings d 3-7mm
Single row sealed deep groove ball bearings d 8-9mm
Single-column sealed deep-groove ball bearings d 10-12mm
Single row sealed deep groove ball bearings d 15-17mm
Single-column sealed deep-groove ball bearings d 20-25mm
Single-column sealed deep-groove ball bearings d 30-35mm
Single-column sealed deep-groove ball bearings d 40-45mm
Single-column sealed deep-groove ball bearings d 50-55mm
Single row sealed deep groove ball bearing d 60-65mm
Single-column sealed deep-groove ball bearings d 70-80mm
Single row sealed deep groove ball bearings d 85-100mm
Single column sealing deep-groove ball bearings d 105-160mm
ICOSTM Oil seal bearing unit d 12-30mm
Single row deep groove ball bearing d 10-45mm with stop groove
Single column deep groove ball bearing d 50-90mm with stop groove
Single row deep groove ball bearing d 95-120mm with stop groove
Single column deep groove ball bearing d 10-60mm with stop slot and dust cover
Single column deep groove ball bearing d 65-70mm with stop slot and dust cover
Single column deep groove ball bearing with ball gap
d 25-85mm
d 90-100mm
Single row deep groove ball bearing d 25-95mm with ball notch, stop groove and stop ring
Stainless steel deep-groove ball bearings
Stainless steel deep groove ball bearings d 1-10mm
Stainless steel deep groove ball bearings d 12-50mm
Stainless steel deep trench ball bearings d 1.5-7mm
Stainless steel sealed deep groove ball bearing d 8-12mm
Stainless steel sealed deep groove ball bearing d 15-20mm
Stainless steel sealed deep groove ball bearing d 25-50mm
Double-row deep-groove ball bearing
d 10-65mm
d 70-100mm
Single-row cam rollers
d 32-80mm
angular contact ball bearing
Single-column angle contact ball bearing
d 10-30mm
d 35-55mm
d 55-80mm
d 80-100mm
d 105-240mm
Double-column angle contact ball bearing
Double-column angle contact ball bearing d 10-50mm
Double-column angle contact ball bearing d 55-110mm
Seal the double-column angle contact ball bearing d 10-60mm
Seal double column angle contact ball bearing d 65-75mm
four-point contact ball
d 15-75mm
d 80-200mm
Double column cam roller
d 32-80
Automatic centering ball bearing
Automatic centering ball bearing
d 5-25mm
d 30-65mm
d 70-120mm
d 130-240mm
Seal the automatic centering ball bearing
d 10-70mm
With extended inner ring automatic centering ball bearing
d 20-60mm
Fset set automatic centering ball bearing
d1 17-45mm
d1 50-85mm
d1 90-110mm
cylindrical roller bearing
Single column of cylindrical roller bearings
d 15-25mm
d 25-30mm
d 35-40mm
d 40-50mm
d 50-55mm
d 60-65mm
d 65-75mm
d 75-80mm
d 85-90mm
d 90-95mm
d 100-105mm
d 110-120mm
d 120-140mm
d 140-160mm
d 170-190mm
d 200-240mm
d 260-380mm
d 400-800mm
Single column full of cylindrical roller bearings
d 20-75mm
d 80-150mm
d 160-260mm
d 280-440mm
d 460-670mm
d 710-1120mm
Double-column full-loaded cylindrical roller bearing
d 20-85mm
d 90-150mm
d 160-190mm
d 200-260mm
d 280-340mm
d 360-400mm
Sealed double-column full loading of cylindrical roller bearing d 20-120mm
Sealed double train full load cylindrical roller bearing d 130-240mm
tapered roller bearing
Metric single-column tapered roller bearing
d 15-32mm
d 35-40mm
d 45-50mm
d 55-60mm
d 65-70mm
d 75-80mm
d 85-95mm
d 100-110mm
d 120-160mm
d 170-260mm
d 280-360mm
English single-column tapered roller bearings
d 14,989-22,225mm 0,5906-0,8750 in
d 25,400-30,162mm 1,000-1,1875 in
d 31,750-34,988mm 1,2500-1,3775 in
d 35,717-40,988mm 1,4062-1,6137 in
d 41,275-42,875mm 1,6250-1,6880 in
d 44,450-45,618mm 1,7500-1,7960 in
d 46,038-50,800mm 1,8105-2,0000 in
d 53,975-60,325mm 2,1250-2,3750 in
d 61,912-71,438mm 2,4375-2,8125 in
d 73,025-92,075mm 2,8750-3,6250 in
d 95,250-149,225mm 3,7500-5,8750 in
d 152,400-203,987mm 6,0000-8,0310 in
d 206,375-343,154mm 8,1250-13,5100 in
d 346,075-749,300mm 13,6250-29,5000 in
d 760,000-838,200mm 29,9183-33,0000 in
Metric single-column conical roller bearing with flange outer ring
d 35-65mm
Paired single-column tapered roller bearings
Face to face configuration d 25-80mm
Face to face configuration d 85-120mm
Face to face configuration of d 130-220mm
Face to face configuration of d 240-320mm
Back-to-back configuration is d 40-170mm
Back to back configuration is d 180-260mm
Series configuration, d 55-80mm
spheric roller bearing
spheric roller bearing
d 20-70mm
d 75-110mm
d 120-150mm
d 160-190mm
d 200-260mm
d 280-340mm
d 360-420mm
d 440-500mm
d 530-630mm
d 670-800mm
d 850-1120mm
d 1180-1800mm
Seal the spherical roller bearing
d 30-110mm
d 120-220mm
Spherical roller bearings for vibrating machinery
d 40-140mm
d 150-240mm
A erical roller bearing with fitting sleeve
d1 20-65mm
d1 70-115mm
d1 125-170mm
d1 180-280mm
d1 300-410mm
d1 430-630mm
d1 670-1000mm
Spherical roller bearing with return sleeve
d1 35-80mm
d1 85-125mm
d1 135-170mm
d1 170-220mm
d1 240-320mm
d1 340-440mm
d1 460-630mm
d1 670-1000mm
CARB ring roller bearing
CARB ring roller bearing
d 25-55mm
d 60-85mm
d 90-130mm
d 140-190mm
d 200-380mm
d 400-600mm
d 630-1250mm
Seal the CARB ring roller bearing
d 50-180mm
d 190-200mm
CARB ring roller bearing with tight sleeve
d1 20-70mm
d1 75-140mm
d1 150-320mm
d1 340-530mm
d1 560-1000mm
CARB ring roller bearing with return sleeve
d1 35-85mm
d1 90-145mm
d1 150-220mm
d1 240-460mm
d1 480-950mm
ball thrust bearing
Unidirectional thrust ball bearing
d 3-30mm
d 35-70mm
d 75-130mm
d 140-280mm
d 300-670mm
Unidirectional thrust ball bearing-with a centering ring
d 12-70mm
d 75-140mm
double-direction thrust ball bearing
d 10-55mm
d 60-150mm
Biway thrust ball bearing-with centering ring
d 25-80mm
The cylindrical roller thrust bearing
The cylindrical roller thrust bearing
d 15-80mm
d 85-220mm
d 240-630mm
Spherical roller thrust bearing
Spherical roller thrust bearing
d 60-170mm
d 180-340mm
d 360-560mm
d 600-1600mm
Special application bearing
Sealed mixed ceramic deep groove ball bearing
d 5-45mm
d 50-60mm
Mixed ceramic deep groove ball bearings
d 65-110mm
INSOCOAT Electrically insulated deep groove ball bearings
d 40-100mm
d 110-150mm
INSOCOAT Electric insulated cylindrical roller bearing
d 75-120mm
High temperature single row deep groove ball bearing
d 10-45mm
d 50-120mm
High temperature Y metric shaft and countersunk screw
d 20-60mm
High temperature Y British shaft with sunk screws
d 3/4-2 7/16 in
High temperature Y metric shaft, with vertical bearing seat
d 20-60mm
High temperature Y British made shaft, with vertical bearing seat
d 3/4-2 7/16 in
High temperature Y metric shaft, with square flange type bearing seat
d 20-60mm
High temperature Y British shaft, with square flange bearing seat
d 3/4-2 7/16 in
High temperature Y metric shaft, with diamond flange type bearing seat
d 20-55mm
High temperature Y British shaft, with diamond flange bearing seat
d 3/4-2 3/16 in
Sensor bearing unit
Sensor bearing unit
d 15-45mm
tapered adapter-sleeve
Used for metric axes
d1 17-75mm
d1 80-180mm
d1 200-450mm
d1 470-1000mm
Used for British shafts
d1 3/4-2 3/16 in
d1 2 1/4-4 3/16 in
d1 4 1/4-7 3/16 in
withdrawal sleeve
withdrawal sleeve
d1 35-145mm
d1 150-280mm
d1 300-530mm
d1 570-1000mm
locknut
The KM (L) locking nut with a lock washer
M 10×0,75-M 200×3
HM locknut with lock buckle
Tr 220×4-Tr 950×8
MB lock gasket
d 10-280mm
MS lock buckle
B 20-70mm
A KMK locking nut with a built-in locking device
M 10×0,75-M 100×2
The KMFE locking nut with the locking screws
M 20×1-M 130×2
KMT precision locking nut with locking pin
M 10×0,75-M 200×3
A KMTA precision locking nut with a locking pin
M 25×1,5-M 200×3
SNL bearing block
Bearing with tight fitting sleeve
da 20-35mm
da 40-55mm
da 60-75mm
da 80-115mm
da 125-140mm
Column hole bearing
da 25-40mm
da 45-60mm
da 65-80mm
da 85-120mm
da 130-160mm
Roller bearing
NATR/NATV series support roller
The NUTR series support roller
The PWTR series support roller
The RSU series support roller
LR series guide rail roller
The LFR series guide rail roller
Column roller roller
Single-row ball roller
Double-angle contact ball roller
Sprocket (single row)
Sprocket (double-column angle contact)
Sprocket wheel (cylindrical roller)
Cross roller bearing
Cross roller bearing
High rigidity cross roller bearing V-shaft diameter 20-300 mm
Standard cross roller bearing shaft diameter of 30-200 mm
Standard cross-roller bearing shaft diameter of 250-800 mm
Ultra-thin cross roller bearing shaft diameter of 20-50 mm
Thin cross roller bearing shaft diameter of 50-200 mm
High rigid cross roller bearing with mounting hole V shaft diameter 10-115 mm
With outer spherical ball bearing
Stamping diamond seat
UCFC
UKFC
UCC
UKC
UCFA
UCFB
UCHA
SAPP
SBPP
SAPF
SBPF
SAPFT
SBPFT
Stunch the diamond seat with set screws
SBPFL
Stping diamond seat with eccentric sleeve
SAPFL
Outer spherical bearing with tight set screws
UC
Outer spherical bearing with eccentric sleeve
NA
Deep groove ball bearing with stop ring
SER
Square seat with set screws
UCF2
UCF3
Square seat belt tightening set
UKF
Square seat with eccentric sleeve
SAF
NANF
Slider holder with the set screws
UCT
Slider holder with tightening set
UKT
Vertical seat (low center) with set screws
UCLP
Vertical seat (low center) with eccentric sleeve
SAPL
Vertical seat (high center) with tight set screws
UCPH
Vertical seat (light load) with tight set screws
BLP
Vertical seat (light load) with eccentric sleeve
ALP
Vertical seat with set screws
UCP2
UCP3
Vertical seat belt tightening sleeve
UKP
Vertical seat with eccentric sleeve
NAP
SAP
Outer spherical bearings at both ends
SC
Diamond seat with set screws
UCFL2
UCFL3
Diamond seat with tightening sleeve
UKFL
Diamond seat with eccentric sleeve
SAFL
NANFL
Flat head with tight-set screw bearing at one end
SB
Flat head with eccentric sleeve outer spherical bearing at one end
SA
There are spherical bearings outside the conical bore
UK
Narrow vertical seat with set screws
UCPA
Rotary support bearing
Bearing type
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