d 400-600mm-GERMANY KORO INTERNATIONAL LIMITED

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Deep Groove Ball Bearing

Single row deep groove ball bearing

d 3-10mm

d 12-22mm

d 25-35mm

d 40-60mm

d 65-85mm

d 90-110mm

d 120-170mm

d 180-260mm

d 280-420mm

d 440-710mm

d 750-1500mm

With seal d d 3-7mm

With seal d 8-9mm

With seal d 10-12mm

With seal d 15-17mm

With seal d 20-25mm

With seal d 30-35mm

With seal d 40-45mm

With seal d 50-55mm

With seal d 60-65mm

With seal d 70-80mm

With seal d 85-100mm

With seal d 105-160mm

ICOSTM sealed units d 12-30mm

With stop groove d 10-45mm

With stop groove d 50-90mm

With stop groove d 95-120mm

Dust cover with stop groove d 10-60mm

Dust cover with stop groove d 65-70mm

Single row deep groove ball bearing with filling slot

d 25-85mm

d 90-100mm

With ball notch/stop groove/stop ring d 25-95mm

Stainless steel deep groove ball bearing

d 1-10mm

d 12-50mm

With seal d 1.5-7mm

With seal d 8-12mm

With seal d 15-20mm

With seal d 25-50mm

Double row deep groove ball bearing

d 10-65mm

d 70-100mm

Single row roller cam

d 32-80mm

Angular Contact Ball Bearing

Single row angular contact ball bearing

d 10-30mm

d 35-55mm

d 55-80mm

d 80-100mm

d 105-240mm

Double row angular contact ball bearing

d 10-50mm

d 55-110mm

With seal d 10-60mm

With seal d 65-75mm

Four-point contact ball bearing

d 15-75mm

d 80-200mm

Double row roller cam

d 32-80

Self-aligning Ball Bearing

Self-aligning ball bearing

d 5-25mm

d 30-65mm

d 70-120mm

d 130-240mm

Sealed self-aligning ball bearing

d 10-70mm

Self-aligning ball bearing with extended inner ring

d 20-60mm

Self-aligning ball bearing with adapter sleeve

d1 17-45mm

d1 50-85mm

d1 90-110mm

Cylindrical Roller Bearing

Single row cylindrical roller Bearing

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 row full complement cylindrical roller Bearing

d 20-75mm

d 80-150mm

d 160-260mm

d 280-440mm

d 460-670mm

d 710-1120mm

Full complement cylindrical roller Bearing

d 20-85mm

d 90-150mm

d 160-190mm

d 200-260mm

d 280-340mm

d 360-400mm

With seal d 20-120mm

With seal d 130-240mm

Tapered Roller Bearing

Metric taper 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

Inch taper roller bearing

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 taper roller bearing with flanged outer ring

d 35-65mm

Matched single row taper roller bearing

Paired face-to-face d 25-80mm

Paired face-to-face 85-120mm

Paired face-to-face 130-220mm

Paired face-to-face 240-320mm

Paired back-to-back d 40-170mm

Paired back-to-back d 180-260mm

Arranged in tandemd 55-80mm

Sphercial Roller Bearing

Spherical 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

Sealed spherical roller Bearing

d 30-110mm

d 120-220mm

Sphercial roller bearing for vibratory applications

d 40-140mm

d 150-240mm

Sphercial roller bearing with adapter sleeve

d1 20-65mm

d1 70-115mm

d1 125-170mm

d1 180-280mm

d1 300-410mm

d1 430-630mm

d1 670-1000mm

Sphercial roller bearing with withdrawal 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 Toroidal Roller Bearing

CARB toroidal roller bearing with seals

d 50-180mm

d 190-200mm

CARB toroidal roller bearing

d 60-85mm

d 25-55mm

d 90-130mm

d 140-190mm

d 200-380mm

d 400-600mm

d 630-1250mm

CARB toroidal roller bearing with adapter sleeve

d1 20-70mm

d1 75-140mm

d1 150-320mm

d1 340-530mm

d1 560-1000mm

CARB toroidal roller bearing with withdrawal sleeve

d1 35-85mm

d1 90-145mm

d1 150-220mm

d1 240-460mm

d1 480-950mm

Thrust Ball Bearing

One way thrust ball bearing

d 3-30mm

d 35-70mm

d 75-130mm

d 140-280mm

d 300-670mm

One way thrust ball bearing-aligning seat rings

d 12-70mm

d 75-140mm

Double way thrust ball bearing

d 10-55mm

d 60-150mm

Double way thrust ball bearing-aligning seat rings

d 25-80mm

Cylindrical Thrust Roller Bearing

Cylindrical thrust roller bearing

d 18-80mm

d 85-220mm

d 240-630mm

Sphercial Thrust Roller Bearing

Sphercial thrust roller bearing

d 60-170mm

d 180-340mm

d 360-560mm

d 600-1600mm

Special Bearing

Sealed hybrid deep groove ball bearing

d 5-45mm

d 50-60mm

Hybrid deep groove ball bearings

d 65-110mm

INSOCOAT deep groove ball bearing

d 40-100mm

d 110-150mm

INSOCOAT cylindrical roller bearing

d 75-120mm

High temperature single Row deep groove ball bearing

d 10-45mm

d 50-120mm

High temperature Y metric shafts with sunk screw

d 20-60mm

High temperature Y inch shafts with sunk screw

d 3/4-2 7/16 in

High temperature Y metric shafts，with Plummer Block Housings

d 20-60mm

High temperature Y inch shafts，with plummer block housings

d 3/4-2 7/16 in

High temperature Y metric shafts，with square flanged pillow blocks

d 20-60mm

High temperature Y inch shafts，with square flanged pillow blocks

d 3/4-2 7/16 in

High temperature Y metric shafts，with diamond shaped flanged pillow blocks

d 20-55mm

High temperature Y inch shafts，with diamond shaped flanged pillow blocks

d 3/4-2 3/16 in

Sensor Bearing Units

Sensor bearing units

d 15-45mm

Adapater Sleeves

for Metric Shafts

d1 17-75mm

d1 80-180mm

d1 200-450mm

d1 470-1000mm

for Inch Shafts

d1 3/4-2 3/16 in

d1 2 1/4-4 3/16 in

d1 4 1/4-7 3/16 in

Bearing with seat (Y bearing)

d 12-101.6mm

Withdrawal Sleeves

Withdrawal sleeves

d1 35-145mm

d1 150-280mm

d1 300-530mm

d1 570-1000mm

Lock Nut

KM(L) lock nut with lock washer

M 10×0,75-M 200×3

HM lock nut with locking pin

Tr 220×4-Tr 950×8

MB lock washer

d 10-280mm

MS locking button

B 20-70mm

KMK lock nut with innner locking pin

M 10×0,75-M 100×2

KMFE lock nut with locking pin

M 20×1-M 130×2

KMT precision lock nut with locking pin

M 10×0,75-M 200×3

KMTA precision lock nut with locking pin

M 25×1,5-M 200×3

SNL Pillow Blocks

Bearing with adapter sleeve

da 20-35mm

da 40-55mm

da 60-75mm

da 85-115mm

da 125-140mm

Cyindrical bore bearing

da 25-40mm

da 45-60mm

da 65-80mm

da 85-120mm

da 130-160mm

Intermediate bearing of transmission shaft

Wheel bearing

Wheel hub bearing assembly

Clutch bearings

Principal dimensions
（mm)

d 440

D 600

B 118
Basic load ratings
KN

dyc
Cr 2750

stc
Cor 5300
Pu 375
Speed ratings
rpm

Speed Ratings 800

Limiting Speed 1100
Weight 98
Designation

BearingCylindrical Bore C3988MB1)

Taper Bore C3988KMB1)
Dimensions
mm

d 440

d₂
～ 495

D1
～ 564

r_1,2
Min 4

s₁¹⁾
～ 11
Abutment and fillet dimensions
mm

d_a
Min 455

d_a
Max 490

Da
Min 565

Da
Max 585

Ca²⁾
Max 10.5

r_a
Max 3
Value

k₁ -

k₂ 0.119

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